#### Answer

$$\frac{3\tan \left(φ+1\right)}{4}$$

#### Work Step by Step

Simplifying the expression using trigonometric identities, we find:
$$\frac{3\sin \left(φ+1\right)}{4\cos \left(φ+1\right)} \\ \frac{3\tan \left(φ+1\right)}{4}$$

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Published by
Wiley

ISBN 10:
1118583191

ISBN 13:
978-1-11858-319-7

$$\frac{3\tan \left(φ+1\right)}{4}$$

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