### Home > CALC > Chapter 12 > Lesson 12.2.3 > Problem 12-92

12-92.

Find the derivative with respect to

*x*of each of the following functions and simplify, factoring where possible. Homework Help ✎*f*(*x*) = cos*kx*· sin*kx*

12-92.

Find the derivative with respect to

*x*of each of the following functions and simplify, factoring where possible. Homework Help ✎*f*(*x*) = cos*kx*· sin*kx*