If the angle 2 \theta is acute, then the acute angle between the pair of straight lines x^2(\cos \theta- \sin \theta)+2 x y \cos \theta +y^2(\cos \theta+ \sin \theta)=0, is

EAMCET Engineering 2002 Solved Paper

Section: Mathematics

Question : 119 of 200

Marks: +1, -0

If the angle 2θ is acute, then the acute angle between the pair of straight lines x2(cos‌θ−sin‌θ)+2xy‌cos‌θ +y2(cos‌θ+sin‌θ)=0, is

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