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JEE Mains Model Paper 7

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Question : 61 of 90
 
Marks: +1, -0
Let
→
a
,
→
b
 and
→
c
 be three non-zero vectors such that no two of them are collinear and (
→
a
×
→
b
) ×
→
c
 =
1
3
 |
→
b
||
→
c
|
→
a
. If θ is the angle between vector
→
b
 and
→
c
 then a value of sin θ is:
Validate
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