Answer
$OU = \frac{2}{\sqrt{3}}$
Work Step by Step
$\frac{OS}{OU} = cos ~30^{\circ}$
$\frac{OS}{OU} = \frac{\sqrt{3}}{2}$
$OU = \frac{2~(OS)}{\sqrt{3}}$
$OU = \frac{2~(1)}{\sqrt{3}}$
$OU = \frac{2}{\sqrt{3}}$
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 3 - Radian Measure and the Unit Circle - Section 3.3 The Unit Circle and Circular Functions - 3.3 Exercises - Page 126: 93e
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