Answer
$x = \frac{arccos~y}{3}$
Work Step by Step
$y = cos~3x$, where $x~in~[0,\frac{\pi}{3}]$
$3x = arccos~y$
$x = \frac{arccos~y}{3}$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 6 - Test - Page 288: 18a
Update this answer!
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.
