SOLUTION: tan α = 12/5, α lies in quadrant III, and cos β = -20/29 , β lies in quadrant II Find sin (α + β). A) -152/377 B)352/377 C) 345/377 D)135/377

SOLUTION: tan α = 12/5, α lies in quadrant III, and cos β = -20/29 , β lies in quadrant II Find sin (α + β). A) -152/377 B)352/377 C) 345/377 D)135/377

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Question 769551: tan α = 12/5, α lies in quadrant III, and cos β = -20/29 , β lies in quadrant II Find sin (α + β).
A) -152/377
B)352/377
C) 345/377
D)135/377
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!

so in III

in II

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