Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Use the given information to find \( \cos(x+y) \).

\[ \cos(x) = -\frac{1}{3}, \, x \text{ in quadrant III}, \, \sin y = \frac{1}{4}, \, y \text{ in quadrant II}. \]
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Transcribed Image Text:Use the given information to find \( \cos(x+y) \). \[ \cos(x) = -\frac{1}{3}, \, x \text{ in quadrant III}, \, \sin y = \frac{1}{4}, \, y \text{ in quadrant II}. \]
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