Question

sin a
If
Il
cos B
1, where a, B
cos a sin B
are acute angles, then write the
value of a + 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

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