# How do you differentiate #f(x)=e^tan(x) # using the chain rule?

##### 1 Answer

Apr 25, 2016

#### Answer:

Multiply the derivative of

#### Explanation:

Differentiating this will require use of the **chain rule**, which, put plainly, states that the derivative of a *composite function* (like

In math terms, we say the derivative of the composite function

So, the derivative of