Answer
False
Work Step by Step
False.
Finding the positive coterminal angle:
$$-1260^\circ-4(-360^\circ)=180^\circ$$
The angle does not lie in Quadrant III. It lies in the negative $x$-axis. Thus, the statement is false.
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 433: 112
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