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The perimeter of a triangle ABC iws equa...

The perimeter of a triangle ABC iws equal to `2 (sin A+sin B+ sin C).` If `a=1,` then the value of angle A is-

A

`pi/2`

B

`(2pi)/(3)`

C

`pi/6`

D

`pi/3`

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The correct Answer is:
C
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