Trigonometry (10th Edition)

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

Chapter 1 - Trigonometric Functions - Section 1.1 Angles - 1.1 Exercises - Page 7: 8

Answer

a. 80° b. 170°

Work Step by Step

a. 90° - 10° = 80° b. 180° - 10°= 170°
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