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Tan a= 12/15, a lies in quadrant 3, and cos x= -20/29, x lies in quadrant 2. find sin (a+x).

a) 345/377 b) 135/377 c) -152/377 d) 352/377

1 Answer

5 votes

Answer:

c) -152/377

Explanation:

yan po ang tamang sagot ko..

User Florrie
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