Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 13 - Section 13.1 - Trigonometric Ratios - Exercise - Page 454: 49



Work Step by Step

To find the angle, we use the inverse sine function on the calculator, making sure the calculator is in degrees mode: $$ \sin A = 0.7941 \Longrightarrow A=\sin^{-1} 0.7941 =52.6^\circ .$$
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