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Use the given information to find cos(x+y) . 1 1 cos(x) : , x in quadrant III, sin y 3 , y in quadrant II. 4

Use the given information to find cos(x+y) . 1 1 cos(x) : , x in quadrant III, sin y 3 , y in quadrant II. 4

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Use the given information to find \( \cos(x+y) \). \[ \cos(x) = -\frac{1}{3}, \, x \text{ in quadrant III}, \, \sin y = \frac{1}{4}, \, y \text{ in quadrant II}. \]
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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