Five(5) Minute Math - Equation Perpendicular to a line given a point
Five(5) Minute Math - Equation Perpendicular to a line given a point
The link address is: http://youtu.be/IjDzOD7waE4?list=PL22D8C38AC1B5C78C
The link address is: http://youtu.be/IjDzOD7waE4?list=PL22D8C38AC1B5C78C