Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 7 - Trigonometric Identities and Equations - 7.3 Sum and Difference Identities - 7.3 Exercises: 57

Answer

$\dfrac {\sqrt {2}}{2}$

Work Step by Step

$\sin 76\cos 31-\cos 76\sin 31=\sin \left( 76-31\right) =\sin 45^{0}=\dfrac {\sqrt {2}}{2}$
Update this answer!

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

Update this answer

After 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.