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Choose the correct answer in each of the following questions:
If A and B are acute angles such that `sinA = cos B " then " (A+B)=?`

A

`45^(@)`

B

`60^(@)`

C

`90^(@)`

D

`180^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
`sinA=cosBrArr cos(90^(@)-A)=cosBrArr90^(@)-A=BrArr A+B=90^(@).`
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