Answer the following:Find the equation of locus of the point of intersection of perpendicular tangents drawn to the circle `x=5costheta` and `y=5sintheta`

Answer the following:Find the equations of the tangents to the circle x^2+y^2=36 which are perpendicular to the line 5x+y=2

Answer the following: Find the equation of the locus of a point,the tangents from which to the circle x^2+y^2=9 are at right angles.

Answer the following:Find the equations of the tangents to the circle x^2+y^2=16 with slope -2

Answer the following:Find the equation of circle passing through the point of intersection of the lines x+3y=0 and 2x-7y=0 whose centre is the point of intersection of lines x+y+1=0 and x-2y+4=0

Answer the following:Find the equation of tangent to the circle x^2+y^2=5 at the point (1,-2) on it.

Answer the following:Find the equation of tangent to the circle x^2+y^2=64 at the point ((2pi)/3)

Answer the following:Find the equations of the tangents to the circle x^2+y^2=4 which are parallel to the line 3x+2y-1=0

Answer the following:Find the equations of the tangents to the circle x^2+y^2-2x+8y-23=0 having slope 3.

Answer the following:Find the equation of tangent to circle x^2+y^2-6x-4y=0 ,at the point (6,4) on it.

Answer the following:Find the centre and radius of the circle x=3-4sintheta and y=2-4costheta