To prove a formula that finds the shortest distance from a point to a line, find out what coordinate geometry is and what simple instruments are available and then apply them with a heavy dose of algebra. A beautifully related analysis on the x-y plane of straight lines and points.
A General Equation of Circle,
Normal Shape, Centre, Radius
Place of a point in the plane of a circle-Tangent description
Straight line location in the plane of a circle-The condition for a tangent to be a line
Touch and Polar Chord
Two Circles Relative Location.
For whom this course is intended:
Beginner who wishes to pass to the next level
A student who wants to study the geometry of coordinates
Students who want to develop their skills in algebra
Anyone who appreciates concepts and their associations