Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 13 - Section 13.1 - Trigonometric Ratios - Exercise - Page 454: 32

Answer

$.571$

Work Step by Step

In order to solve this problem, we need to plug the values into the calculator. Make sure the calculator is in degrees mode. $cos(55.2) = 0.570713567684$ The answer, to 3 significant digits is $.571$
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