Hi, for the life of me I cannot figure this one out.

Find the derivative of .

This is what I tried to do:

The answer in the book is .

How the **** did they get that? Thanks.

Printable View

- February 8th 2013, 06:43 AMKhanDiscipleTrigonometric Differentiation Problem.
Hi, for the life of me I cannot figure this one out.

Find the derivative of .

This is what I tried to do:

The answer in the book is .

How the **** did they get that? Thanks. - February 8th 2013, 07:01 AMPlatoRe: Trigonometric Differentiation Problem.
- February 8th 2013, 07:36 AMKhanDiscipleRe: Trigonometric Differentiation Problem.
Thank you Plato. The answers appeared completely different to me, and in the future I will try to use the correct notation.