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24. If tanA = 5 and A in quadrant III, sinB = 12 3 and B in quadrant IV, find the value of cos( A + B ). 63 A. - 65 63 С. 65 5 D. 13 В. - 13

24. If tanA = 5 and A in quadrant III, sinB = 12 3 and B in quadrant IV, find the value of cos( A + B ). 63 A. - 65 63 С. 65 5 D. 13 В. - 13

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 30E
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24. If tanA = 5 and A in quadrant III, sinB = 12 3 and B in quadrant IV, find the value of cos( A + B ). 63 A. - 65 63 С. 65 5 D. 13 В. - - 13
Transcribed Image Text:24. If tanA = 5 and A in quadrant III, sinB = 12 3 and B in quadrant IV, find the value of cos( A + B ). 63 A. - 65 63 С. 65 5 D. 13 В. - - 13
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