### Home > CALC > Chapter 9 > Lesson 9.4.3 > Problem 9-135

9-135.

Examine the integrals below. Consider the multiple tools available for integrating and use the best strategy. After evaluating each integral, write a short description of your method. Homework Help ✎

Use partial fraction decomposition to rewrite the integrand.

Use substitution. Let *u* = sec(*m*).

*du* = sec(*m*)tan(*m*)*dm*

Use partial fraction decomposition to rewrite the integrand.

This is an improper integral. Use a limit to properly evaluate this integral.