### Home > CALC > Chapter 11 > Lesson 11.2.4 > Problem 11-83

11-83.

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.

Use integration by parts.

Letand.Use substitution.

Let.You should recognize the integrand as the derivative of an inverse trigonometric function.

This is an improper integral, so a limit will need to be used to evaluate it.

The symmetry of the graph can also be used to evaluate the integral.Review the first Fundamental Theorem of Calculus.