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
$.571$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
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
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