Question

If sin (A+B)=1/2,cos(A+B)=1/2,A=??
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Answer 1

HEY MATE YOUR ANSWER IS HERE

SIN ( A + B ) = 1/2

COS ( A + B ) = 1/2

SIN ( A +B ) = COS ( A + B )

COS ( 90 - ( A + B ) ) = COS ( A + B )

90 - A - B = A + B

90 - 2B = 2A

A = 45 - B

THANKS FOR YOUR QUESTION HOPE THIS HELPS