Notation, like before, can vary. As we develop these formulas, we need to make certain basic assumptions. Continuous Time Finance is recommended but not required. After you have chosen the answer, click on the button Check Answers. The concept of limit is closely connected with that of an infinitesimal quantity, therefore it could be said that mathematical analysis studies functions and their generalizations by infinitesimal methods. This formula will be derived and then applied to … • the rôle of the Wronskian in the solution of linear differential equations, • the derivative of a simple eigenvalue, and. NCERT CBSE SOLUTIONS. The derivative of a function, as a function. Supported differentiation rules. Function) and their generalizations are studied by the method of limits (cf. Inverse Functions and Calculus. The derivative of a function f at a point x is commonly written f '(x). The challenging task is to interpret entered expression and simplify the obtained derivative formula. The units on the derivative function \(y = f'(x)\) are units of \(f(x)\) per unit of \(x\text{. 6 Derivatives of Inverse Functions. In fact, I'm going to prove to you that the Limit Definition of Derivative formula is really just the old slope formula in disguise! It is important to keep in mind that when we are talking about the definition of derivative, we are really talking about finding the slope of the line tangent to a curve at one specific point. Applied Calculus tutorial videos. A LiveMath Notebook illustrating how to use the definition of derivative to calculate the derivative of a radical. They may not be sold or included in a commercial product or website without the permission. It has two main branches. The derivatives of these and other higher-order formulas and their errors will be given in Section 7. 5 Find values of inverse functions from tables. Logarithms Formulas. Mensuration is the branch of mathematics which deals with the study of Geometric shapes, their area, volume and related parameters. Some tricks can bend traditional derivative and integral methods to apply to parametric equations. * Some Important Derivative | [Download PDF] | View Online * Some Important Integrals | [Download PDF] | View Online The following pages has been send by Mansoor Tahir. The function must be differentiable over the interval (a,b) and a < c < b. 3 Exercises - Page 141 37 including work step by step written by community members like you. Integral Calculus Formula Sheet Derivative Rules: 0 d c dx nn 1 d xnx dx sin cos d x x dx sec sec tan d x xx dx tan sec2 d x x dx cos sin d x x dx csc csc cot d x xx dx cot csc2 d x x dx d aaaxxln dx d eex x dx dd cf x c f x dx dx. Differentiation and The Derivative Introduction Calculus is a very important branch of mathematics. Calculate the 1st, 2nd, 3rd and 4th derivatives of: nth Derivative. Seeing as you need to take the derivative in order to get the tangent line, technically it’s an application of the derivative. Higher Order Derivatives. Drill problems for finding the derivative of a function using the definition of a derivative. Type in any function derivative to get the solution, steps and graph. 3 Differentiation Formulas - 2. A derivative is always a rate, and (assuming you’re talking about instantaneous rates, not average rates) a rate is always a derivative. From the given equation. Minimizing a function. Visit this page for integration formulas. To see whether there is a tangent line, we try to calculate the derivative at 1. this three part worksheet contains practice for all types of integration methods in ap calculus bc the three parts are as follows practice with mental. Differentiation and The Derivative Introduction Calculus is a very important branch of mathematics. You're trying to find a derivative formula, that is, df/dx, for the function. Trapezoidal/Simpson's rule. The first theorem deals with the continuity of inverse functions. The addition rule, product rule, quotient rule -- how do they fit together? What are we even trying to do? Here's my take on derivatives: We have a system to analyze, our function f The derivative f' (aka df/dx) is the moment-by. Mathway currently does not support tutoring in Chemistry. Inverse Functions and Calculus. Limits and Derivatives Formulas 1. The formula for a total derivative is a direct result of the chain rule. The derivative of the arctangent function of x is equal to 1 divided by (1+x 2). We'll assume you're ok with this, but you can opt-out if you wish. Here are the formulas you should remember about derivation. Oh, and a broadband connection is pretty much necessary, too. Derivatives Difference quotients are used in many business situations, other than marginal analysis (as in the previous section) Derivatives Difference quotients Called the derivative of f(x) Computing Called differentiation Derivatives Ex. Type the numerator and denominator of your problem into the boxes, then click the button. Also find Mathematics coaching class for various competitive exams and classes. The derivative of ln u(). We introduce two di erent def-initions of the fractional derivative, namely the Riemann-Liouville and Caputo forms, and examine some basic properties of each. Free math lessons and math homework help from basic math to algebra, geometry and beyond. A general formula for all of the successive derivatives exists. Point of Symmetry: Point-Slope Equation of a Line. It has two major branches, differential calculus and integral calculus. Anti derivative is nothing but indefinite integral or primitive integral in calculus. 1 Find values of functions from graphs. To make studying and working out problems in calculus easier, make sure you know basic formulas for geometry, trigonometry, integral calculus, and differential calculus. Well, These two facts, combined with the rules above, allow one to calculate easilythe derivatives of the rest of the trigonometric functions and their inverses. General Math - powered by WebMath. After you have chosen the answer, click on the button Check Answers. We will assume we have a particular function of x, such that If x is assigned the value 10, the corresponding value of y will be (10)2 or 100. Taylor series can be used to obtain central-difference formulas for the higher derivatives. What is a Derivative? How to use the Definition of the Derivative. Math problem of the week. Quadratic Formula. Stack Exchange Network Stack Exchange network consists of 175 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The derivative of a polynomial is the sum of the derivatives of its terms, and for a general term of a polynomial such as the derivative is given by One of the common applications of this is in the time derivatives leading to the constant acceleration motion equations. In fact, I'm going to prove to you that the Limit Definition of Derivative formula is really just the old slope formula in disguise! It is important to keep in mind that when we are talking about the definition of derivative, we are really talking about finding the slope of the line tangent to a curve at one specific point. The other trigonometric functions are deﬁned in terms of sine and. Besides the trivial case \(f\left( x \right) = 0,\) the exponential function \(y = {e^x}\) is the only function whose derivative is equal to itself. Which is the same result we got above using the Power Rule. If you are looking for a formula to solve your basic math problems, your formula is likely here basic-mathematics. To see whether there is a tangent line, we try to calculate the derivative at 1. Before attempting the problems push the help button to get the theory. the rst derivative of the total cost (TC) function with respect to quantity (Q). What is the derivative of a function at a given point? What does this derivative value measure? How do we interpret the derivative value graphically? How are limits used formally in the computation of derivatives? The instantaneous rate of change of a function is an idea that sits at the foundation of calculus. If you need this, you have to install math software that have calculus function such as derivatives and integrals. We actually get most useful functions by starting with two additional functions beyond the identity function, and allowing two more operations in addition to addition subtraction multiplication and division. Differentials and Derivatives in Leibniz's Calculus 5 Moreover, in Chapter 3 I discuss examples of the influence of the concepts discussed in Chapter 2 both on the choice of problems and on the technique of. 2: Derivative Rules I ; 01) Introduction-Derivative of xn; 02) Derivatives of Linear and Constant Functions of Derivative of xn. Calculus I. With formula, you will get proper diagram, so that you will understand formula easily. In the formulas given below, it’s assumed that \(C\), \(k\) and \(n\) are real numbers, \(m\) is a natural number, \(f,g,u,v\) are functions of the real variable \(x\), and the base \(a\) of the exponential and logarithmic functions satisfies the conditions \(a \gt 0, a e 1. Logarithmic Differentiation []. There isn’t much to do here other than take the derivative using the rules we discussed in this section. Use MathJax to format equations. Note that we studied Exponential Functions here and Differential Equations here in earlier sections. The derivative of. You click on the circle next to the answer which you believe that is correct. In this case, we expand it to derive the second composite function (after deriving its outer function left alone). The first theorem deals with the continuity of inverse functions. Derivatives are fundamental to the solution of problems in calculus and differential equations. at 24th St) New York, NY 10010 646-312-1000. In a couple of sections we’ll start developing formulas and/or properties that will help us to take the derivative of many of the common functions so we won’t need to resort to the definition of the derivative too often. The Secretary will also be grateful to be informed of any (equally inevitable) errors which are found. It is very helpful to remember thes formulas. This process can continue and these resultant functions are referred to as higher order derivatives. Polar-Rectangular Conversion Formulas. It has two major branches, differential calculus and integral calculus. Fractional calculus is a ﬁeld of mathematics study that qrows out of the tra-ditional deﬁnitions of calculus integral and derivative operators in much the sameway fractionalexponentsis anoutgrowthof exponentswithintegervalue. But that is only because they really don't speak or understand calculus. Calculator and hand formulas for numerical integration. Minimizing a function. which can also be written as. Once you understand the concept of a partial derivative as the rate that something is changing, calculating partial derivatives usually isn't difficult. The latest versions may be found by. Notes (Solutions) of Calculus and Analytic Geometry, MATHEMATICS 12 (Mathematics FSc Part 2 or HSSC-II), Punjab Text Book Board Lahore. Using limits the derivative is defined as: Mean Value Theorem. 4) d dx[f(x)]n=n[f(x)]n−1d dxf(x) is the Power Rule for Functions. Differential calculus. differentiation formulas used in a calculus course. Example: Differentiate f(x) = x. The Differential Calculus splits up an area into small parts to calculate the rate of change. Calculus I, II. 3, using Lagrange interpolation techniques. Conceptually these derivatives are similar to those for functions of a single variable. A branch of mathematics dealing with the concepts of derivative and differential and the manner of using them in the study of functions. Modules: Theorem. 33) The Derivative and its Notation, Part I; 34) Derivative Notation, Part II; 35) Derivative of Cubic Function, Part I; 36) Derivative of Cubic Function, Part II; 37) Calculator Tip for Homework Problems; Chapter 2. Differentials and Derivatives in Leibniz's Calculus 5 Moreover, in Chapter 3 I discuss examples of the influence of the concepts discussed in Chapter 2 both on the choice of problems and on the technique of. Logarithms Formulas. This is correct to the best of my knowledge, and I note the fact that I took the derivative of the radius, r, because it, too, is not constant (as you can obviously imagine, as it changes depending on how high or low you go in the cone). This flash movie contains all the formulas you need to memorize for Calculus I and II, and it couldn’t be easier to use…just click on the buttons and memorize away! Calculus Songs. Video Lectures for Single-variable Calculus To view these lectures, you need to have Apple's QuickTime player (7. It’s normalized – that means the particular prices and quantities don't matter, and everything is treated as a percent change. Create account or Sign in. Visit this page for integration formulas. 2 - Find a formula for the rate of change dA/dt of the area A of a square whose side x centimeters changes at a rate equal to 2 cm/sec. So virtually there are only y and y' multiplied by function of t or constant, function of t, and constant are allowed in the 1st Order Linear DE. They help identify local maxima and minima. If you happen to know some "derivative formulas'' from an earlier course, for the time being you should pretend that you do not know them. Try it free!. A function which gives the slope of a curve; that is, the slope of the line tangent to a function. As we develop these formulas, we need to make certain basic assumptions. \) The domains of the functions and their graphs. Table of the formulas for derivatives of functions. This flash movie contains all the formulas you need to memorize for Calculus I and II, and it couldn’t be easier to use…just click on the buttons and memorize away! Calculus Songs. The equation editor uses a markup language to represent formulas. Students, teachers, parents, and everyone can find solutions to their math problems instantly. 7 Find inverse functions and relations. com Interactive Cheat Sheet. the derivative, is also 60. General Math - powered by WebMath. The formula gives a more precise (i. Derive the function x with respect to x. Greater than 1, there will be exponential growth towards infinity (positive). Description: The classical curriculum of mathematical finance programs generally covers the link between linear parabolic partial differential equations (PDEs) and stochastic differential equations (SDEs), resulting from Feynmam-Kac's formula. \) The domains of the functions and their graphs. We know that the derivative of the sum or di erence of two functions is the sum or di erence of their derivatives. Average and instantaneous rate of change of a function In the last section, we calculated the average velocity for a position function s(t), which describes the position of an object ( traveling in a straight line) at time t. 2 - Find a formula for the rate of change dA/dt of the area A of a square whose side x centimeters changes at a rate equal to 2 cm/sec. What is Derivatives Calculus? The derivative of a function is the real number that measures the sensitivity to change of the function with respect to the change in argument. One of the most important functions in all of mathematics is the natural exponential function f(x)=ex. The derivative is way to define how an expressions output changes as the inputs change. Concavity and the second derivative test. Offline content. The derivative of the outer function (with the inner function left alone) times the derivative of the inner function. Nykamp is licensed under a Creative Commons Attribution-Noncommercial-ShareAlike 4. 3 - Two cars start moving from the same point in two directions that makes 90 degrees at the constant speeds of s1 and s2. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. For an equation of the form ax2+bx+c=0, you can solve for x using the Quadratic Formula:. 0(a) to mean the right derivative at aand (b) to mean the left derivative at b. It is a form of mathematics applied to continuous graphs (graphs without gaps). Limit Definition:. The definition of the derivative can be approached in two different ways. The latest versions may be found by. 2 Functions of 2 or more variables Functions which have more than one variable arise very commonly. Calculus Definitions > Linearization and Linear Approximation in Calculus Linearization , or linear approximation , is just one way of approximating a tangent line at a certain point. So virtually there are only y and y' multiplied by function of t or constant, function of t, and constant are allowed in the 1st Order Linear DE. Choose from 25 different sets of survey of calculus flashcards on Quizlet. The proofs that these assumptions hold are beyond the scope of this course. Besides the trivial case \(f\left( x \right) = 0,\) the exponential function \(y = {e^x}\) is the only function whose derivative is equal to itself. After you have selected all the formulas which you would like to include in cheat sheet, click the "Generate PDF" button. Mensuration is the branch of mathematics which deals with the study of Geometric shapes, their area, volume and related parameters. Most people think calculus is designed to make simple calculations difficult to impossible. Math Formulas: Higher-order Derivatives. In fact, computing derivatives is usually exactly the opposite of what one needs to do in real life or science. This means that for every x value, the slope at that point is equal to the y value. In addition to analyzing motion along a line and population growth, derivatives are useful in analyzing changes in cost, revenue, and profit. We can also use derivative rules to prove derivatives, but even those are build off of basic principles in Calculus. 5)/(x^3) with respect to x. \] Now we consider the logarithmic function with arbitrary base and obtain a formula for its derivative. Polar Equation. Derivative at a Point The derivative of the function f at the point x = a is the limit Provided the limit exists. If we now replace y by f(x) in the expression for gradient,. We know that the derivative of the sum or di erence of two functions is the sum or di erence of their derivatives. ) We say that is a contour if : [a;b] !C is piecewise smooth in the sense that there are numbers x 0 = a Calculus > First Principles of Derivatives First Principles of Derivatives As we noticed in the geometrical interpretation of differentiation, we can find the derivative of a function at a given point. For example, “%beta” creates the Greek character beta ( ). If f is a one-to-one function and is continuous on an interval I, then it inverse function, f-1 is continuous on f(I). Note that in this case, either derivative will be in terms of both x and y. 33) The Derivative and its Notation, Part I; 34) Derivative Notation, Part II; 35) Derivative of Cubic Function, Part I; 36) Derivative of Cubic Function, Part II; 37) Calculator Tip for Homework Problems; Chapter 2. Numerical Differentiation, Part I. Quadratic Formula. Microsoft's Excel is program that have many math functions but there is no calculus in the standard version. Analysis & calculus symbols table - limit, epsilon, derivative, integral, interval, imaginary unit, convolution, laplace transform, fourier transform. You will also find here derivative rules and formulas such as the power rule, product rule, quotient rule, reciprocal rule, chain rule, derivative of trigonometric functions. Note that we studied Exponential Functions here and Differential Equations here in earlier sections. A general formula for all of the successive derivatives exists. In calculus, the quotient rule of derivatives is a method of finding the derivative of a function that is the division of two other functions for which derivatives exist. The Differential Calculus splits up an area into small parts to calculate the rate of change. Taylor series can be used to obtain central-difference formulas for the higher derivatives. After you have chosen the answer, click on the button Check Answers. Use MathJax to format equations. I use various variations on this demo during the early part of a calculus course. p(t) could any function without y, constant is ok. In this case, we expand it to derive the second composite function (after deriving its outer function left alone). One of the most important functions in all of mathematics is the natural exponential function f(x)=ex. So: the derivative of 1/x = −1/x 2. First derivative test for maxima/minima problems. The following are the example problems which explain the algebraic functions derivatives clearly. This website uses cookies to improve your experience. 4 The Chain Rule notes prepared by Tim Pilachowski What we have so far: Given a function (f x )= xn where n is a non-zero integer, f ′(x)= n x n−1 [section 3. View Notes - partial derivatives. Now that we know how to find the derivative of log(x), and we know the formula for finding the derivative of log a (x) in general, let's take a look at where this formula comes from. This topic only shows up on the AP Calculus BC exam. For permissions beyond the scope of this license, please contact us. In mathematics , the derivative is a way to show rate of change: that is, the amount by which a function is changing at one given point. APPLICATIONS OF THE DERIVATIVE. Derivative: Introduction. The actual integral formulas themselves exist in the public domain and may not be copyrighted. The basic formula for a linear equation is y = mx + b, where "m" is the slope. Derivatives are fundamental to the solution of problems in calculus and differential equations. php?title=Newton-Leibniz_formula&oldid=30866. But I can guess that you will not be any satisfied by this. Composite functions are functions composed of functions inside other function(s). This means that for every x value, the slope at that point is equal to the y value. A function which gives the slope of a curve; that is, the slope of the line tangent to a function. It may be of partial or. What is a Derivative? How to use the Definition of the Derivative. Make sure to use the same units of time for both the interest rate and the time. (Unfortunately, there are special cases where calculating the partial derivatives is hard. There isn’t much to do here other than take the derivative using the rules we discussed in this section. We saw that the average velocity over the time interval [t. The radius and height of a cylinder are both $ 2cm $. They may not be sold or included in a commercial product or website without the permission. Learn calculus derivatives formulas math with free interactive flashcards. 1 Derivatives of Most Useful Functions. The first theorem deals with the continuity of inverse functions. You will then be told whether the answer is correct or not. Differentiation rules 3. This is useful when you don't want to immediately compute an answer, or when you have a math "formula" to work on but don't know how to "process" it. 2 Add, subtract, multiply, and divide functions. Set students up for success in Calculus and beyond! Explore the entire Calculus curriculum: polynomials, derivatives, and more. One of the most important functions in all of mathematics is the natural exponential function f(x)=ex. The concept of fractional calculus( fractional derivatives and fractional in-tegral) is not new. The partial derivative of F with respect to x is denoted by and can be found by differentiating f(x, y, z) in terms of x and treating the variables y and z as constants. PARTIAL DERIVATIVES ELECTRONIC VERSION OF LECTURE HoChiMinh City University of Technology Faculty. Derivative Formula. Composite functions are functions composed of functions inside other function(s). Calculus 8th Edition answers to Chapter 2 - Derivatives - 2. --solving procedure. After you have chosen the answer, click on the button Check Answers. old ap calculus ab bc mr tiger calculus. A general formula for all of the successive derivatives exists. The formulas listed below will make differentiating much easier. Calculus-Help. Hi this is my first post ever in MHB, and I'm in Calculus 1 wondering which formula to use to find derivatives. Calculus relates topics in an elegant, brain-bending manner. NCERT CBSE SOLUTIONS. To ﬁnd f(4) from the formula you substitute 4 in for t everywhere in the formula: f(4) = 160(4) − 16(4)2 = 384 feet. Math problem of the week. Taking the site a step ahead, we introduce calculus worksheets to help students in high school. The formula is good for general n’s (any real n), but the proof of the most general case is too involved for our purposes here. Basic Rules of Derivatives and Differentials 3a) Derivative Product Rule 3b) Differential Product Rule dx dw uv dx dv uw dx du uvw vw dx d = + + d(uvw) =vwdu +uwdv +uvdw. Free math lessons and math homework help from basic math to algebra, geometry and beyond. Calculator activity. Calculus I, II. 4 Identify inverse functions. The Guidelines link to examples of common errors, and demonstrate techniques that your instructors will love!. Here are some common choices: Now go back to the mountain shape, turn 90 degrees, and do the same experiment. We know that the derivative of the sum or di erence of two functions is the sum or di erence of their derivatives. You can read various equations easily from this app. The derivative of ln u(). If f is a function of n variables x_1, x_2, , x_n, then to take the partial derivative of f with respect to x_i we hold all variables besides x_i constant and take the derivative. Matlab allows you to create symbolic math expressions. [math]f(x) = 1/x [/math]for [math]x ≠ 0 [/math]is same as[math] x^{-1}[/math] and you simply use the power rule to solve it. Calculus – differentiation, integration etc. ) As these examples show, calculating a. For instance if we were building an assembly for basic math (we don't actually have to do this, I am just using basic math as an example) we might have. During Class 6, Class 7, Class 8, Class 9, Class 10 you did these formulas. Learn calculus formulas 1 equations with free interactive flashcards. Derivative of y = ln u (where u is a function of x) Unfortunately, we can only use the logarithm laws to help us in a limited number of logarithm differentiation question types. 6 Find values of inverse functions from graphs. Firstly, you need to memorize these math formula very carefully before your exam. Trapezoidal/Simpson's rule. Course Summary Math 104: Calculus has been evaluated and recommended for up to 6 semester hours and may be transferred to over 2,000 colleges and universities. For example, the second derivative of y with respect to x would be written as Beyond the second or third derivative, all those primes get messy, so often the order of the derivative is instead writen as a roman superscript in parenthesis, so that the ninth derivative of f(x) with respect to x is written as f (9) (x) or f (ix) (x). In the formulas given below, it’s assumed that \(C\), \(k\) and \(n\) are real numbers, \(m\) is a natural number, \(f,g,u,v\) are functions of the real variable \(x\), and the base \(a\) of the exponential and logarithmic functions satisfies the conditions \(a \gt 0, a e 1. Derivative Problems. NCERT CBSE SOLUTIONS. The equation editor uses a markup language to represent formulas. What is the derivative of a function at a given point? What does this derivative value measure? How do we interpret the derivative value graphically? How are limits used formally in the computation of derivatives? The instantaneous rate of change of a function is an idea that sits at the foundation of calculus. If you are looking for a formula to solve your basic math problems, your formula is likely here basic-mathematics. Derive the function x with respect to x. xls file (Numerical. Consider two constants c and d and consider two function cf(x) and dg(x). Some important mensuration formulas are:. The concept of limit is closely connected with that of an infinitesimal quantity, therefore it could be said that mathematical analysis studies functions and their generalizations by infinitesimal methods. Let us Find a Derivative! To find the derivative of a function y = f(x) we use the slope formula: Slope = Change in Y Change in X = ΔyΔx. Previous Answers RogaCalcET3 32026 Calculate the derivative 2 t 12 9 t 322 6 from MATH 2144 at Oklahoma State University, Oklahoma City. Simplify it as best we can. The derivative of this is just going to be 2 times the derivative of x to the third. \] Now we consider the logarithmic function with arbitrary base and obtain a formula for its derivative. #d/dxsin(tan(4x))# Step 1) First we need to derive the #sin# alone, ignoring the #tan(4x)# on the inside;. the rst derivative of the total cost (TC) function with respect to quantity (Q). Also find Mathematics coaching class for various competitive exams and classes. If you need this, you have to install math software that have calculus function such as derivatives and integrals. Seeing as you need to take the derivative in order to get the tangent line, technically it’s an application of the derivative. It has few rules and formulas. The derivative of. The first theorem deals with the continuity of inverse functions. 3 Differentiation Formulas - 2. Calculus I. Calculus Formulas 2008-2009. xls file (Numerical. We actually get most useful functions by starting with two additional functions beyond the identity function, and allowing two more operations in addition to addition subtraction multiplication and division. In this app, you will get 1000+ math formulas and equations. How To Do Math Using PowerShell, Part 1. Differentials and Derivatives in Leibniz's Calculus 5 Moreover, in Chapter 3 I discuss examples of the influence of the concepts discussed in Chapter 2 both on the choice of problems and on the technique of. For permissions beyond the scope of this license, please contact us. Q sub d is the quantity demanded at the point you are evaluating elasticity of demand. I'm unsure how to find the derivative of these and include them especially in something like implicit. The concept of a marginal function is common in the fields of business and economics and implies the use of derivatives. Second derivative, first derivative test, absolute minimum, absolute maximum this page updated 19-jul-17 Mathwords: Terms and Formulas from Algebra I to Calculus. The formulas listed below will make differentiating much easier. Differential calculus is the study of rates of change of functions. Use of this formula considerably speeds calculation of derivatives for powers of x. Calculus III Calculators; Math Problem Solver (all calculators) Directional Derivative Calculator. Includes the Power Formula. Most often, we need to find the derivative of a logarithm of some function of x. Each formula is expressed in the regular notation as well as Leibniz notation. As we develop these formulas, we need to make certain basic assumptions. You will also find here derivative rules and formulas such as the power rule, product rule, quotient rule, reciprocal rule, chain rule, derivative of trigonometric functions. Derivative Formulas. The formula for a total derivative is a direct result of the chain rule. I use various variations on this demo during the early part of a calculus course.