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: 1


a)$60^{\circ}$ b)$150^{\circ}$

Work Step by Step

a) Formula to find Complement of an angle: $90^{\circ}$ - $X^{\circ}$ $90^{\circ}$ - $30^{\circ}$ = $60^{\circ}$ b) Formula to find Supplement of an angle: $180^{\circ}$ - $X^{\circ}$ $180^{\circ}$ - $30^{\circ}$ = $150^{\circ}$
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