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: 42


Quadrant II or IV

Work Step by Step

1. For tangent to be negative, y and x must have different signs. This happens in Quadrant II and Quadrant IV. 2. Tangent and cotangent are reciprocals, so they will have the same signs.
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