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: 2


a. $30^{\circ}$ b. $120^{\circ}$

Work Step by Step

a. 90$^{\circ}$ - $60^{\circ}$= $30^{\circ}$ complementary angles have a sum of $90^{\circ}$ b. $180^{\circ}$- $60^{\circ}$ = $120^{\circ}$ supplementary angles have a sum of $180^{\circ}$
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