Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 2 - Acute Angles and Right Triangles - Section 2.2 Trigonometric Functions of Non-Acute Angles - 2.2 Exercises - Page 63: 69

Answer

210$^{\circ}$

Work Step by Step

1) $\tan$$\theta$ is positive so it can only lie in 1 or 3 2) The reference angle in quadrant 1 is 30$^{\circ}$ 3) The reference angle in quadrant 3 is 180$^{\circ}$ 4) 180$^{\circ}$ +30$^{\circ}$ = 210$^{\circ}$
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