Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 2 - Acute Angles and Right Triangles - Section 2.3 Finding Trigonometric Function Values Using a Calculator - 2.3 Exercises: 9

Answer

$\cot$ 183$^{\circ}$ 48' = 15.05572272

Work Step by Step

$\cot$ 183$^{\circ}$ 48' First, convert to a fraction $\cot$ 183$^{\circ}$ $\frac{48}{60}$ Convert the fraction to a decimal $\frac{48}{60}$ = 0.80 Therefore: $\cot$ 183$^{\circ}$ 48' = $\cot$ 183.80$^{\circ}$ $\cot$ 183.80$^{\circ}$ = $\frac{1}{\tan183.80}$ $\frac{1}{\tan183.80}$ = 15.05572272 $\cot$ 183$^{\circ}$ 48' = 15.05572272
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