sin(A+B) =√3/2 and cos B = √3/2 then find A
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sin (A+B)=√3/2=sin60°
A+B=60°........1)
cosB=√3/2=cos30°
B=30°.........2)
from eqn 1)
A+30=60°
A=30°, B=30°
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