### Home > CALC > Chapter 7 > Lesson 7.3.1 > Problem 7-110

7-110.

Careful. *e* is NOT a variable.

Let *u* = sin*x*.

Notice that the term in parentheses has a highest-power of *x*³, while the term outside of the parenthesis has a power of *x*². *U*-substitution!

Refer to the hint in part (c).

What is the derivative of *y* = ln*x*?

Inverse trig.