Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 11 - Section 11.2 - The Cosine Ratio and Applications - Exercises - Page 503: 1

Answer

cos α = $\frac{12}{13}$ = 0.92 cos β = $\frac{5}{13}$ = 0.38

Work Step by Step

cos α = $\frac{length of adjacent}{length of hypotenuse}$ cos α = $\frac{12}{13}$ = 0.92 Similarly cos β = $\frac{length of adjacent}{length of hypotenuse}$ = $\frac{5}{13}$ = 0.38
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