Answer
{$\frac{11\pi}{6}$,$\frac{5\pi}{6}$}
Work Step by Step
Using the unit circle shown you know cos x=$\frac{\sqrt 3}{2}$ is {$\frac{11\pi}{6}$,$\frac{5\pi}{6}$}
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
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 6.2 Trigonometric Equations I - 6.2 Exercises - Page 272: 2
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