Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.1 - Angles and Radian Measure - Exercise Set - Page 534: 115


The solution is $30{}^\circ 25'12''$.

Work Step by Step

We have to convert an angle in decimals to DMS; perform the below steps; Step 1 – Open Ti-84 Calculator. Step 2 – Press [MODE] key. Step 3 – Use arrow keys to highlight DEGREE. Step 4 – Press [ENTER] to put the calculator in degree mode. Step 5 – Press [CLEAR] key. Step 6– Enter the value 30.42 Step 7 – Press the keys [2ND] [APPS] [4] [ENTER] to get the angle in DMS. Step 8 – Press [ENTER] to get the angle in decimals. Hence, the value $30{}^\circ 25'12''$ that appeared on the calculator is the angle in DMS.
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