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en.wikipedia.org/wiki/Differentiation_of_trigonometric_functions

The differentiation of trigonometric functions is the mathematical process of finding the derivative of a trigonometric function, or its rate of change with respect to a variable. Common trigonometric functions include sin(x), cos(x) and tan(x). For example, the derivative of f(x) = sin(x) is represented as f ′(a) = cos(a). f ... the inverse secant function; 3.6 Differentiating the inverse cosecant function.

www.math.com/tables/derivatives/tableof.htm

sin x = cos x. Proof, csc x = -csc x cot x. Proof. cos x = - sin x. Proof, sec x = sec x tan x. Proof. tan x = sec2 x. Proof, cot x = - csc2 x. Proof ...

www.math.com/tables/derivatives/more/trig.htm

sin(x) = cos(x) (d/dx) cos(x) = -sin(x) (d/dx) tan(x) = sec^2(x) (d/dx) csc(x) = -csc(x) cot(x) (d/dx) sec(x) = sec(x) tan(x) (d/dx) cot(x) = -csc^2(x) ...

www.intmath.com/differentiation-transcendental/2-derivative-csc-sec-cot.php

Aug 5, 2016 ... We learn the formulas for finding the derivatives of csc x, sec x and cot x and see some examples.

www.math.brown.edu/utra/trigderivs.html

Aug 9, 2008 ... Home > Calculus 1 > Derivative Rules. Derivs of Trig ... DERIVATIVES OF BASIC TRIG FUNCTIONS: (top). Important ... Derivative of Cosecant:.

socratic.org/calculus/differentiating-trigonometric-functions/derivatives-of-y-sec-x-y-cot-x-y-csc-x

The derivatives of \sec(x), \cot(x), and \csc(x) can be calculated by using the quotient rule of differentiation together with the identities \sec(x)=\frac{1}{\cos(x)},  ...