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Let veca,vecb and vec c be three non zer...

Let `veca,vecb` and `vec c` be three non zero vectors such that no two of them are collinear and `(vec a xx vec b) xx vec c=1/3 |vecb||vecc|veca` if `theta` the angle between the vectors `vecb` and `vec c` then a value of sin `theta` is

A

`(2sqrt(2))/(3)`

B

`-sqrt(2)/(3)`

C

`2/3`

D

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

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A
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