# How do you differentiate #f(x)=(cosx-x)/(sin3x-x^2)# using the quotient rule?

##### 1 Answer

Mar 5, 2017

#### Explanation:

The quotient rule states that

Here,

so

and

so

We can put these functions into the formula for the quotient rule:

which you could expand out to give

though this is more complicated and unnecessary.