Trigonometry 7th Edition

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

Chapter 2 - Section 2.2 - Calculators and Trigonometric Functions of an Acute Angle - 2.2 Problem Set - Page 71: 44


$\csc 12.21^{\circ}$ =4.7282

Work Step by Step

Using calculator in degree mode- $\csc 12.21^{\circ}$ =4.7282355708 (Finding $\sin$ first and then using reciprocal $\frac{1}{x}$) Rounding it to four places past the decimal point- $\csc 12.21^{\circ}$ =4.7282
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