Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 3 - Section 3.1 - Reference Angle - 3.1 Problem Set - Page 122: 43

Answer

$\csc 575.4^{\circ}$ = -1.7263

Work Step by Step

Using calculator in degree mode- 575.4 → $\sin$ → $\frac{1}{x}$ (Recall $\csc\theta$ = $\frac{1}{\sin\theta}$) $\csc 575.4^{\circ}$ = -1.7262774068 Rounding it to four places past the decimal point- $\csc 575.4^{\circ}$ = -1.7263
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