Angle between the lines represented by the equation $x^{2} + 2 x y s e c θ + y^{2} = 0$ is

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None of these

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Solution

The correct option is A

$Let angle between both the lines is α, then t a n α = \frac{2 \sqrt{s e c^{2} θ - 1}}{2} = t a n θ α = θ$

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