Answers are given at the end of these exercises. If sin = 4/5 and is in
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Answers are given at the end of these exercises.
If sin θ= 4/5 and θ is in quadrant II, then cosθ= _______.
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Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry
ISBN: 9780137945139
5th Edition
Authors: Michael Sullivan
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