#### Answer

$$\sin\theta$$

#### Work Step by Step

Use the Reciprocal Identity:
$$\sec\theta=\frac{1}{\cos\theta}.$$
To obtain
$$\sec\theta\cos\theta\sin\theta=\bigg(\frac{1}{\cos\theta}\bigg)\cos\theta\sin\theta=\sin\theta.$$

Published by
Prentice Hall

ISBN 10:
0133186024

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

$$\sin\theta$$

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