Let a, b and c be non-zero vectors such that no two are collinear and ( {a} \times{b})\times{c}= \frac{1}{3}{| {b}|| {c}| }{a}. If \\theta is the acute angle between the vectors b and {c} , then sin \\thetaequals

Manipal Entrance Test 2015 Math Paper

Question : 49 of 70

Marks: +1, -0

Let a, b and c be non-zero vectors such that no two are collinear and (a×b)×c=

|b||c|a. If θ is the acute angle between the vectors b and c , then sin θequals

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