Question

If Sin A = Cos B then A + B =
​

Answer 1

Answer:

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$\sin( \alpha ) = \cos( \beta ) \\ \\ \cos(90 - \alpha ) = \cos( \beta ) \\ \\ 90 - \alpha = \beta \\ \\ 90 = \alpha + \beta$

Answer 2

hey dude it's simple

we know that

sin(90-A)=cosA

here

Sin A=cos(90-A)

cos(90-A)=cosB

so A+B=90

hope it helps