If the pair of lines given by (x^{2}+y^{2}) \cos ^{2} \\theta=(x \cos \\theta+y \sin \\theta)^{2} are perpendicular to each other, then \\theta is equal to

AP EAMCET Engineering 2012 Solved Paper

Section: Mathematics

Question : 85 of 160

Marks: +1, -0

If the pair of lines given by (x2+y2)cos2θ=(x‌cos‌θ+y‌sin‌θ)2 are perpendicular to each other, then θ is equal to

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