Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 3 - Radian Measure and the Unit Circle - Section 3.1 Radian Measure - 3.1 Exercises: 5

Answer

-3

Work Step by Step

This is a negative angle, just short of $\pi$. So it must be -3.
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