Trigonometry (10th Edition)

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

Chapter 2 - Acute Angles and Right Triangles - Section 2.1 Trigonometric Functions of Acute Angles - 2.1 Exercises: 48


$\csc$ 20$^{\circ}$ $\lt$ $\csc$ 30$^{\circ}$ is false

Work Step by Step

$\csc$ 20$^{\circ}$ $\lt$ $\csc$ 30$^{\circ}$ As the angle increases from 0 to 90, the cosecant of the angle decreases. Therefore: $\csc$ 20$^{\circ}$ $\lt$ $\csc$ 30$^{\circ}$ is false
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