Application of Derivatives Part 1

Section: Mathematics
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Question : 49 of 100
 
Marks: +1, -0
If β is one of the angles between the normals to the ellipse,x2+3y2=9 at the points (3cosθ,3sinθ) and (3sinθ,3cosθ),θ(0,
π
2
)
;then
2cotβ
sin2θ
is equal to
[Main 15 April 2018 S1]
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