A, B are acute if sinA=cosB tgen show that A-B=90
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Answered by
2
Step-by-step explanation:
sin A = cos B
cos (90- A ) = cos B
90-A = B
A + B =90
Answered by
7
Step-by-step explanation:
Sin A = Cos B
Cos (90-A) = Cos B
90-A = B
A+B= 90
Hence, the value of A+B is 90........
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