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 9: 89

Answer

240\sin °

Work Step by Step

5280 $^{\circ}$ is a big number compared to 360. The best way to find its coterminal angle is to divide initial angle by 360 and find how many times 360 should be subtracted. 5280° ÷360° =14 $\frac{2}{3}$ 5280° - (360° × 14) = 240°
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