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: 38

Answer

Quadrant I

Work Step by Step

1. If cosecant is positive, that means y must be positive ( since r is always positive). This happens in quadants I and II. 2. Cotangent to be positive, x and y must have the same sign either positive or negative. That happens in quadrants I and III. 3. For both cotangent and cosecant to be positive, we must be in Quadrant I
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