The angle between the straight lines represented by $\left(x^2+y^2\right) \sin ^2 \alpha=(x \cos \alpha-y…

The angle between the straight lines represented by $\left(x^2+y^2\right) \sin ^2 \alpha=(x \cos \alpha-y \sin \alpha)^2$ is
  1. $\frac{\alpha}{2}$
  2. $\alpha$
  3. $2\alpha$
  4. $\frac{\pi}{2}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2015

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