#### Answer

$\tan 39.87$

#### Work Step by Step

$\dfrac {1-\cos 59.74}{\sin 59.74}=\dfrac {2\sin ^{2}\dfrac {59.74}{2}}{2\sin \dfrac {59.74}{2}\cos \dfrac {59.74}{2}}=\tan \dfrac {59.74}{2}=\tan 39.87$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$\tan 39.87$

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