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If sinA=(1)/(sqrt(10))andsinB=(1)/(sqrt(...

If `sinA=(1)/(sqrt(10))andsinB=(1)/(sqrt(5))`, where A and B are positive acute angles, then `A+B=?`

A

x

B

`(pi)/(2)`

C

`(pi)/(3)`

D

`(pi)/(4)`

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The correct Answer is:
D
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