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

AP and TS EAMCET Engineering Model Paper 20

Question : 47 of 160

Marks: +1, -0

If the angle between the pair of straight lines
(x2+y2)sin2α=(x‌cos‌α−y‌sin‌α)2 is θ, then θ=

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