Let veca, vecb and vecc be non-zero vect...

Let `veca, vecb and vecc` be non-zero vectors such that no two are collinear and `(vecaxxvecb)xxvecc=1/3 |vecb||vecc|veca` if `theta` is the acute angle between vectors `vecb and vecc` then find value of `sin theta`.

`(2)/(3)`

`(-2sqrt3)/(3)`

`(2sqrt2)/(3)`

`(-sqrt2)/(3)`

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