# Question #12c1e

##### 2 Answers

#### Explanation:

The derivative of the function

If we substitute

We perform this last step by recalling our trig identities, namely that

#### Explanation:

Replacing value of u and du,

Oct 23, 2017

The derivative of the function

If we substitute

We perform this last step by recalling our trig identities, namely that

Oct 23, 2017

Replacing value of u and du,