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In a Delta ABC, if : a = 16, b = 24 and ...

In a `Delta ABC,` if : `a = 16, b = 24 and c = 20`
then : `cos(B/2)` =

A

`3/4`

B

`1/4`

C

`1/2`

D

`1/3`

Text Solution

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The correct Answer is:
A
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