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AP EAMCET Engineering 20 Apr 2019 Shift 2 Paper

Section: Mathematics
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Question : 32 of 160
 
Marks: +1, -0
Let
→
a
 and
→
b
 be unit vectors with θ as the acute angle between them. If
1
2
|
→
a
−
→
b
| = sin λθ, then 4λ2 =
Validate
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