Trigonometry (10th Edition)

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

Chapter 1 - Trigonometric Functions - Section 1.3 Trigonometric Functions - 1.3 Exercises: 105



Work Step by Step

1. Set up calculator in degrees $\sin 10^{\circ}\approx0.1736$ $\sin (-10)^{\circ}\approx0.1736$ 2. Pick up more examples $\sin30^{\circ}=0.5$ $sin (-30)^{\circ}=-0.5$ $\sin90^{\circ}=1$ $sin (-90)^{\circ}=-1$
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