### Home > APCALC > Chapter 7 > Lesson 7.3.2 > Problem7-118

7-118.

What is the derivative of each of the following functions?

1. $​y = e^{\sin(2x)}$

Use the Chain Rule.

1. $y = \ln(\cos(2x))$

Use the Chain Rule.

$y'=\frac{1}{\cos(2x)}\cdot\frac{d}{dx}\cos(2x)$

1. $y = \ln(e^x)$

$\ln(e^x) = x$