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If the angle theta is acute, then the an...

If the angle `theta` is acute, then the angle between the pair of lines given by `(costheta-sintheta)x^(2)+2(costheta)xy+(costheta+sintheta)y^(2)=0` is

A

`theta`

B

`2theta`

C

`(theta)/(2)`

D

`(theta)/(3)`

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The correct Answer is:
A
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