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: 34

Answer

$\cos 82.9^{\circ}$ = 0.1236

Work Step by Step

Using calculator in degree mode- 82.9 → $\cos$ →→ 0.1236014767 i.e. $\cos 82.9^{\circ}$ = 0.1236014767 Rounding it to four places past the decimal point- $\cos 82.9^{\circ}$ = 0.1236
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