Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 6 - Inverse Circular Functions and Trigonometric Equations - Section 6.1 Inverse Circular Functions - 6.1 Exercises - Page 265: 61


$1.9033723$ radian

Work Step by Step

Ensuring that the calculator is in radian mode, we enter $\cos^{-1} (-0.32647891)$ into the calculator and solve: $\cos^{-1} (-0.32647891)\approx1.9033723$ radian
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.