Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.2 - Calculators and Trigonometric Functions of an Acute Angle - 2.2 Problem Set: 7

Answer

$ 89^{\circ} 40' $

Work Step by Step

$ 51^{\circ} 55' $ + $ 37^{\circ} 45' $ $ 51^{\circ} 55' $ $ 37^{\circ} 45' $ _____ $ 88^{\circ} 100' $ carrying $ 60' $ i.e. $1^{\circ} $ from minute column to the degree column, we get the desired sum as- $ 88^{\circ} 100' $ = $ 89^{\circ} 40' $
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