Trigonometry (10th Edition)

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

Chapter 1 - Trigonometric Functions - Section 1.4 Using the Definitions of the Trigonometric Functions - 1.4 Exercises - Page 36: 41


Quadrant III and IV

Work Step by Step

1. If sine is negative, that means y must be negative. This happens in quadrants III and IV. 2. We need to remember that sine and cosecant will always have the same sign. 3. Therefore, III or IV quadrant will be correct.
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