### Home > CALC > Chapter 6 > Lesson 6.4.2 > Problem6-142

6-142.

Product Rule or Quotient Rule, depending how you write t −1.

Refer to the hint in part (a). But notice that this is an integral of a derivative, not the reverse.
That means that this answer will include +C.

Both parts of the sum in the integrand have antiderivatives that are trig (or inverse trig) functions.