Answer
$0.9925$
Work Step by Step
Typing $\cos7$ into a scientific calculator to yield 0.9925.
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 11 - Section 11.2 - The Cosine Ratio and Applications - Exercises - Page 511: 16
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