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: 113

Answer

The solution is $30.25{}^\circ $.

Work Step by Step

We have to convert an angle in DMS to decimals; perform the below steps: Step 1 – Open Ti-84 Calculator. Step 2 – Enter the value 30. Step 3 – Press the keys [2ND] [APPS] [1] to enter the degree symbol. Step 4 – Enter the value 15. Step 5 – Press the keys [2ND] [APPS] [2] to enter the minute symbol. Step 6 – Enter the value 10. Step 7 – Press the keys [ALPHA] [+] to enter the second symbol. Step 8 – Press [ENTER] to get the angle in decimals. Hence, the value $30.25{}^\circ $ that appeared on the calculator is the angle in decimals.
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