#### Answer

$-\dfrac {3}{4}=-0.75$

#### Work Step by Step

$\tan \left( -\theta \right) =-\tan \theta =-\dfrac {\sin \theta }{\cos \theta }=-\dfrac {0.6}{0.8}=-\dfrac {3}{4}=-0.75$
(Tangent is odd function)

Published by
Pearson

ISBN 10:
013421742X

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

$-\dfrac {3}{4}=-0.75$

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