Parametric Coordinates
Position of a Point with Respect to a Circle
• The Least and Greatest Distance of a Point from a Circle
Intersection of a Line and a Circle
• The Length of the Intercept cut off from a Line by a Circle
Tangent to a Circle at a Given Point
• Equation of the Tangent to the Circle in different Forms
Point form
Parametric Form
Slope form
Point of Contact:
Normal to a Circle at a Given Point