# What is the derivative of #f(x)=cos^-1(x^3)# ?

##### 1 Answer

A side comment to start with: the notation

Now for the derivative. This is a composite, so we will use the Chain Rule. We will need

Using the Chain Rule:

Jul 24, 2014

A side comment to start with: the notation

Now for the derivative. This is a composite, so we will use the Chain Rule. We will need

Using the Chain Rule: