Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 2 - Acute Angles and Right Triangles - Section 2.3 Finding Trigonometric Function Values Using a Calculator - 2.3 Exercises - Page 66: 20

Answer

$\cot$(-512$^{\circ}$ 20') $\approx$ 1.90714493

Work Step by Step

$\cot$(-512$^{\circ}$ 20') First, convert from minutes to degrees -512$^{\circ}$ 20' = -512$^{\circ}$ + $\frac{20}{60}$ -512$^{\circ}$ $\frac{20}{60}$ = -512$^{\circ}$ + 0.33$^{\circ}$ -312$^{\circ}$ $\frac{20}{60}$ = -512.33$^{\circ}$ $cot$(-512.33$^{\circ}$) $\approx$ 1.90714493 Therefore: $\cot$(-512$^{\circ}$ 20') $\approx$ 1.90714493
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