1.

If sin(A + 2B) =√3/2and cos(A+B)= 1/√2. where A and B are acute angles, find B.​

Answer»

ANSWER:

B=15

Step-by-step EXPLANATION:

SIN(A + 2B) =√3/2=sin60           A + 2B=60

cos(A+B)= 1/√2 =COS45           A+B=45

B=15



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