Answer
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Work Step by Step
(a) The sketch for the angle $-270^\circ$ is as shown.
(b) The sketch for the angle $-120^\circ$ is as shown.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.1 - Angles and Their Measure - 6.1 Exercises - Page 430: 20
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