Find a second value of that gives the same trigonometric value as the angle given. Use

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Find a second value of θ that gives the same trigonometric value as the angle given. Use domain 0° ≤ θ ≤ 360°.
a. sin 23° = sin θ
b. sin 216° = sin θ
c. cos 342° = cos θ
d. cos 246° = cos θ
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Discovering Advanced Algebra An Investigative Approach

ISBN: 978-1559539845

1st edition

Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke

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