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 2.1 Trigonometric Functions of Acute Angles - 2.1 Exercises - Page 55: 65

Answer

A = 60$^{\circ}$

Work Step by Step

$\sin$A = 0.8660254083 A = $\sin$$^{-1}$(0.8660254083) A = 60.00 Therefore A = 60$^{\circ}$
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