# What is the derivative of #sin 5x#?

##### 2 Answers

Apr 2, 2018

#### Explanation:

When applying the Chain Rule to trigonometric functions such as sine,

In this case,

Apr 2, 2018

#### Explanation:

We're dealing with a composite function, and whenever we want to differentiate composite functions, we use the **Chain Rule** stated below:

Our composite function is

Now we just plug in! We get:

Which we can rewrite as