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JEE Main 2015 Question Paper

Section: Mathematics
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Question : 54 of 90
 
Marks: +1, -0
Let
→
a
,
→
b
 and
→
c
 be three zero vectors such that no two no them are collinear and (
→
a
×
→
b
)×
→
c
=
1
3
|
→
b
||
→
c
|
→
a
.If θ is the angle between vectors
→
b
 and
→
c
,then a value of sin θ is :
[Main 2015]
Validate
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