Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 13 - The Trigonometric Functions - Chapter Review - Review Exercises - Page 701: 42


$$\cos 0.8215 \approx 0.68112$$

Work Step by Step

$$\eqalign{ & \cos 0.8215 \cr & {\text{using a calculator to find the value }}\left( {{\text{set the calculator in radians mode}}} \right) \cr & {\text{then}}{\text{, we obain}} \cr & \cos 0.8215 \approx 0.68112 \cr} $$
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.