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The sides of a triangle are sin alpha,co...

The sides of a triangle are `sin alpha,cos alpha` and `sqrt(1+sin alpha cos alpha)` for some `0 lt alpha lt pi/2`. Then the greatest angle of the triangle is

A

`60^(@)`

B

`150^(@)`

C

`120^(@)`

D

`90^(@)`

Text Solution

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The correct Answer is:
C
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