Answer
a) $I_1=\frac{1}{2}\sin^2 x+C_1$; $I_2=-\frac{1}{2}\cos^2 x+C_2$
b) Use thea Pythagorean identity
Work Step by Step
The answer:
Calculus, 10th Edition (Anton)
by Anton, Howard
Published by
Wiley
ISBN 10:
0-47064-772-8
ISBN 13:
978-0-47064-772-1
Chapter 4 - Integration - 4.3 Integration By Substitution - Exercises Set 4.3 - Page 287: 41
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