Find the value of cos(A + B), if tan A = 3/4 and tan B = 5/12 and A an – McqOptions

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1.	Find the value of cos(A + B), if tan A = 3/4 and tan B = 5/12 and A and B are in quadrant I.
A.	1
B.	33/65
C.	16/65
D.	15/48
Answer» C. 16/65

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