The angle between the lines sin^(2) alph...

The angle between the lines `sin^(2) alpha.y^(2) -2xy.cos^(2) alpha + (cos^(2) alpha -1)x^(2) =0` is

A

`90^@`

B

`alpha`

C

`alpha/2`

D

`2alpha`

Verified by Experts

The correct Answer is:

A

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