[" The pair of tangents from origin to the circle "],[x^(2)+y^(2)+4x+2y+3=0" is "]

Combined equation to the pair of tangents drawn from the origin to the circle x^(2)+y^(2)+4x+6y+9=0 is

If the angle between a pair of tangents drawn from a point P to the circle x^(2)+y^(2)-4x+2y+3=0" is "(pi)/(2) then the locus of P is

The condition that the pair of tangents drawn from origin to the circle x^(2)+y^(2)+2gx+2fy+c=0 may be at right angle is

Combined equation to the pair of tangents drawn from the origin to circle x^(2)+y^(2)+4x+6y+9=0 is

The condition that the pair of tangents drawn from the origin to the circle x^(2)+y^(2)+2gx+2fy+c=0 may be at right angles is

The pair of tangents from origin to x^(2)+y^(2)+4x+2y-3=0 is

The angle between the tangents drawn from the origin to the circle x^(2) + y^(2) + 4x - 6y + 4 = 0 is

The angle between the tangents drawn from the origin to the circle x^(2) + y^(2) + 4x - 6y + 4 = 0 is

Find the angle between the pair of tangents drawn from (0,0) to the circle x^(2) + y^(2) - 14 x + 2y + 25 = 0.

Find the angle between the pair of tangents drawn from (0,0) to the circle x^(2) + y^(2) - 14 x + 2y + 25 = 0.