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: 17


$\sin$(-312.2$^{\circ}$) $\approx$ 0.74080459

Work Step by Step

$\sin$(-312$^{\circ}$ 12') First, convert from minutes to degrees -312$^{\circ}$ 12' = -312$^{\circ}$ + $\frac{12}{60}$ -312$^{\circ}$ $\frac{12}{60}$ = -312$^{\circ}$ + 0.2$^{\circ}$ -312$^{\circ}$ $\frac{12}{60}$ = -312.2$^{\circ}$ $\sin$(-312.2$^{\circ}$) $\approx$ 0.74080459
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