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The locus of the point, whose chord of c...

The locus of the point, whose chord of contact w.r.t the circle `x^(2)+y^(2)=a^(2)` makes an angle `2alpha` at the centre of the circle is

A

`x^(2)+y^(2)=2r^(2)`

B

`x^(2)+y^(2)=r^(2)cos^(2) theta`

C

`x^(2)+y^(2)=(r^(2))/2`

D

`x^(2)+y^(2)=r^(2)sec^(2)theta`

Text Solution

Verified by Experts

The correct Answer is:
D
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