Answer
cos B = $\frac{15}{17}$
Work Step by Step
$cosine = \frac{adjacent}{hypotenuse}$
Looking at the triangle, the side adjacent to angle B is 15, and the hypotenuse is 17.
Therefore, cos B = $\frac{15}{17}$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 11 - Rational Expressions and Functions - 11-1 Simplifying Rational Expressions - Mixed Review - Page 657: 58
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