Question

if A,B are acute angles such that sinA=cosB,thenA+B=​

Answer 1

Answer:

We know sinA=cos(90−A)

Given, sinA=cosB

cosB=cos(90−A)

⇒B=90−A

⇒A+B=90

Hence, A+B=90

Answer 2

Answer:

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Step-by-step explanation:

sin a+cos b is equal to 1