If A and B are acute angles and SinA = CosB then find the value of A+B
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Answered by
16
Sin A = Cos B
Cos (90-A) = Cos B
90-A = B
A+B= 90
Hence, the value of A+B is 90
Answered by
11
A and B are acute .
A + B = 90
sin A = cos B
= sin A = sin ( 90 - B)
= A + B = 90
Hence A + B = 90
It is proved !
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