The angle between a pair of tangents drawn from a point to the circle is . Then equation of the locus of the point is |
|||

a) |
b) |
||

c) |
d) |

The angle between a pair of tangents drawn from a point to the circle is . Then equation of the locus of the point is |
|||

a) |
b) |
||

c) |
d) |

1 Answer

127 votes

**(d)**

Centre of the circle

is and its radius is

Let be any point on the locus. Then

From the diagram

or

Thus, required equation of the locus is

127 votes

127