Answer
1.841771
Work Step by Step
Converting $421^{\circ}30'$ to decimal degrees, we get
$421^{\circ}30'=421^{\circ}+\frac{30}{60}^{\circ}=421^{\circ}+0.5^{\circ}=421.5^{\circ}$
$\tan 421^{\circ}30'=\tan 421.5^{\circ}$
$\approx1.841771$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 5 - Trigonometric Functions - 5.3 Trigonometric Functions - 5.3 Exercises - Page 534: 114
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