Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 11 - Section 11.2 - The Cosine Ratio and Applications - Exercises - Page 509: 14

Answer

$0.7431$

Work Step by Step

Typing $\cos42$ into a scientific calculator to yield $0.7431$.
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