Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 2 - Acute Angles and Right Triangles - Section 2.3 Finding Trigonometric Function Values Using a Calculator - 2.3 Exercises: 52



Work Step by Step

$2\cos (38^{\circ} 22') = 1.568109388$ $\cos (76^{\circ} 44') = 0.2994835258$ $2\cos (38^{\circ} 22') \ne \cos (76^{\circ} 44')$
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.