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: 31

Answer

$\dfrac {\sqrt {3}}{3}$

Work Step by Step

$\tan 30^{0}=\dfrac {\sin 30^{0}}{\cos 30^{0}}=\dfrac {\dfrac {1}{2}}{\dfrac {\sqrt {3}}{2}}=\dfrac {1}{\sqrt {3}}=\dfrac {\sqrt {3}}{3}$
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