#### Answer

A

#### Work Step by Step

$\sin \left( A-B\right) =\sin A\cos B-\cos A\sin B\Rightarrow 8\rightarrow A$

Published by
Pearson

ISBN 10:
013421742X

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

A

$\sin \left( A-B\right) =\sin A\cos B-\cos A\sin B\Rightarrow 8\rightarrow A$

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.