# Derivatives of trig functions

## Here’s a cheat sheet for the derivatives of trigonometric functions

Derivative of sin(x):

$\frac{d}{dx}\left(sin (x)\right) = cos(x)$

Derivative of cos(x):
$\frac{d}{dx}(cos(x)) = -sin(x)$

Derivative of tan(x):
$\frac{d}{dx}(tan(x)) = sec^2(x)$