# How do you differentiate #5cos (2x)+ tan(3x+4)#?

##### 2 Answers

Let

For this, you would have to remember the following two derivatives:

since as you can see,

where **chain rule** works how it works.

So, we get:

Other ways you might see the **chain rule**:

In "prime" notation:

or in "function composition" notation:

I would use the Chain Rule in both terms as:

Where the Chain Rule allows you to derive