Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 5 - Trigonometric Functions - 5.3 Trigonometric Functions Values and Angle Measures - 5.3 Exercises: 50

Answer

$30^{0}$

Work Step by Step

$y=kx\Rightarrow k=\tan \alpha =\dfrac {\sqrt {3}}{3}$ $\Rightarrow \alpha =\arctan \dfrac {\sqrt {3}}{3}=30^{0}$
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