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If vector vecA and vecB have an anglethe...

If vector `vecA` and `vecB` have an angle`theta` between them, then value of `abs(hatA-hatB)` will be

A

`2 "cos" theta/2`

B

`2 "tan" theta/2`

C

`2"sin" theta/2`

D

None of these

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The correct Answer is:
C
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