Answer
$ 150^{\circ}$
Work Step by Step
Given angle = $ -210^{\circ}$
Angle coterminal with $ -210^{\circ}$ between $0^{\circ}$ and $360^{\circ}$ will be-
= $ -210^{\circ} + 360$
= $ 150^{\circ}$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 2 - Section 2.1 - Definition II: Right Triangle Trigonometry - 2.1 Problem Set - Page 63: 78
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