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If veca and vecb are unit vector and the...

If `veca` and `vecb` are unit vector and `theta` is the angle between then, then `|(veca - vecb)/2|` is:

A

`sin theta/2`

B

`sin theta`

C

`2 sin theta`

D

`sin 2theta`

Text Solution

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The correct Answer is:
A
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