Question

What is the derivative of `sin^3x`?

Answer 1

Basic formula:

`d/(dx)x^n=nx^(n-1)`

`d/dx(sinx)=cosx`

Now, let's move to the question:
`color(white)=d/dx(sin^3x)`
`=(3sin^2x)×(d/dx(sinx))`
`=3sin^2xcosx`

It may be useful for you👍