Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 1 - Trigonometric Functions - Section 1.1 Angles - 1.1 Exercises - Page 7: 14

Answer

a. 72° b. 162°

Work Step by Step

a. 90°-18°=72° b. 180°-18°=162°
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