Question

What is the derivative of `tanx^3`?

Answer 1

The derivative is `3x^2*sec^2(x^3)` where `secx` is the secant function

Explanation:

The derivative is

`d(tanx^3)/dx=d(x^3)/dx*1/cos^2(x^3)=3x^2*(1/cos^2(x^3))=3x^2*sec^2(x^3)`