Answer
$-2.94, -2.66, 1.17$
Work Step by Step
Graph $\cos(x)$.
Graph $\frac{x}{3}$.
Find the points of intersection:
$x\approx -2.94$
$x\approx -2.66$
$x\approx 1.17$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 7 - Section 7.5 - More Trigonometric Equations - 7.5 Exercises - Page 575: 58
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.
