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If theta is the angle between the vector...

If `theta` is the angle between the vectors `2hati-2hatj+4hatk` and `3hati+hatj+2hatk`, then `sin theta` is equal to

A

`(2)/(3)`

B

`(2)/(sqrt(7))`

C

`(sqrt(2))/(7)`

D

`sqrt((2)/(7))`

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