### Home > APCALC > Chapter 7 > Lesson 7.3.1 > Problem 7-102

7-102.

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*e*is NOT a variable.

Let

*u*= sin(*x*).

Notice that the term in parentheses has a highest-power of

, while the term outside of the parenthesis has a power of . *U*-substitution!

Refer to the hint in part (c).

What is the derivative of ln(

*x*)?

Inverse trig.