CPM Homework Help : CALC Problem 9-110

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 ✎

Hint (a):

Use substitution. Let u = –cos(x).

Hint (b):

This integral can be evaluated by sketching the graph and using geometry.

Hint (c):

Use integration by parts.

Step (c):

Let f = x² and dg = e⁴^x.

Hint (d):

Use substitution. Let u = x² + 4.