Higher Mathematics
Videos created by K Oppo & N Lyons available via youtube channel:
Circle
Video 1 – Circle with centre the origin
Video 2 – Circle with centre (a,b)
Video 3 – The general equation of a circle
Video 4 – Intersection of a line and a circle
Video 5 – Equation of a tangent to a circle
Video 6 – Intersection of circles
