In a triangle ABC, if the sides are a=3,...

In a triangle ABC, if the sides are `a=3, b=5, c=4, ` thenb the value of `(sin ""B/2+ cos ""B/2)` is equal to-

A

1

B

`(sqrt3-1)/2`

C

`sqrt2`

D

`(sqrt3+1)/2`

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The correct Answer is:

C

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