Locus of point of intersection of tangents to the circle `x^(2)+y^(2)=a^(2)` which makes complimentary angles with X -axis is

The locus of the point of intersection of tangents to the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 , which make complementary angles with x - axis, is

The locus of the point of intersection of the two tangents drawn to the circle x^(2)+y^(2)=a^(2) which include are angle alpha is

Locus of the point of intersection of perpendicular tangents to the circle x^(2)+y^(2)=10 is

Locus of the point of intersection of perpendicular tangents to the circle x^(2)+y^(2)=16 is

Locus of the point of intersection of perpendicular tangents to the circle x^(2)+y^(2)=16 is

Locus of the point of intersection of tangents to the circle x^(2)+y^(2)+2x+4y-1=0 which include an angle of 60^(@) is

Locus of point of intersection of perpendicular tangents to the circle x^(2)+y^(2)-4x-6y-1=0 is

The locus of points of intersection of tangents to the circle x^(2)+y^(2)=a^(2) at the point whose parametric angle differ why (4 pi)/(3) is a director circle of circle whose radius is