Answer
$\frac{3}{5}$
Work Step by Step
$\cos\beta=\frac{adjacent}{hypotenuse}=\frac{6}{10}=\frac{3}{5}$
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 11 - Test - Page 526: 2a
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