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In Delta ABC, if the sides are a=3, b=5 ...

In `Delta ABC`, if the sides are a=3, b=5 and c=4, then `sin ""(B)/(2)+ cos""(B)/(2)` is equal to

A

`sqrt(2)`

B

`(sqrt(3)+1)/(2)`

C

`(sqrt(3)-1)/(2)`

D

1

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The correct Answer is:
A
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