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Angle between a pair of tangents drawn f...

Angle between a pair of tangents drawn from a point P to the circle `x^2+y^2+4x-6y+9 sin^2 theta + 13 cos^2 theta =0` is `2 theta` . Then the locus of P is:

A

`x^(2)+y^(2)+4 x-6 y-9=0`

B

`x^(2)+y^(2)+4 x-6 y+4=0`

C

`x^(2)+y^(2)+4 x-6 y+9=0`

D

`x^(2)+y^(2)+4 x-6 y-4=0`

Text Solution

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The correct Answer is:
C
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