Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 8 - Techniques of Integration - 8.6 Strategies for Integration - Exercises - Page 431: 3

Answer

Trigonometric methods.

Work Step by Step

We use the trigonometric method since the integration is of the form $$ \int \sin ^{n} x \cos ^{m} x d x $$ and in this problem we have $n=m=3.$
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