The locus of the point of intersection of the tangents to the parabola `y^2 = 4ax` which include an angle `alpha` is

The ,locus of the point of intersection of two perpendicular tangents to the parabola y^(2)=4ax is

The locus of the point of intersection of the perpendicular tangents to the parabola x^(2)=4ay is

Find the locus of point of intersection of tangent to the parabola y^2=4ax which are inclined at an angle theta to each other.

The locus of point of intersection of the two tangents to the parabola y^(2)=4ax which intercept a given distance 4c on the tangent at the vertex is

Find the locus of the point of intersection of two tangents to the parabola y^(2)=4ax , which with the tangent at the vertex forms a triangle of constant area 4sq. units.

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