Answer
1
Work Step by Step
Given expression
= 2 $\sin 30^{\circ}$
= 2 $\times (\frac{1}{2})$
( ( substituting for exact values of $\sin 30^{\circ}$)
= 1
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 2 - Section 2.1 - Definition II: Right Triangle Trigonometry - 2.1 Problem Set - Page 63: 45
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