Elementary Geometry for College Students (5th Edition)

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

Chapter 11 - Section 11.3 - The Tangent Ratio and Other Ratios - Exercises - Page 518: 28

Answer

3.8637

Work Step by Step

sec(15) = 1/sin(15) 1/0.258819045102521 = 3.863703305156270 round to the 4th decimal 3.8637
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