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: 33

Answer

$\cos 347^{\circ}$ = 0.9744

Work Step by Step

Using calculator in degree mode- 347 → $\cos$ $\cos 347^{\circ}$ = 0.9743700648 Rounding it to four places past the decimal point- $\cos 347^{\circ}$ = 0.9744
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