#### Answer

$$\sin^{2}\theta$$

#### Work Step by Step

Use the Pythagorean Identity:
$$\sin^{2}\theta+\cos^{2}\theta=1$$
Rearrange terms:
$$1-\cos^{2}\theta= \sin^{2}\theta$$

Published by
Prentice Hall

ISBN 10:
0133186024

ISBN 13:
978-0-13318-602-4

$$\sin^{2}\theta$$

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