Using parametric corrdinates to find the key lines of tangents and normals, plus their intersecting points.
lesson notes:05 tangents & normals I
Using parametric corrdinates to find the key lines of tangents and normals, plus their intersecting points.
lesson notes:05 tangents & normals I
Generalising the equation of a chord of a parabola and the condition for it to be a focal chord.
lesson notes:04 chords of a parabola
An alternative way of defining a curve is parametrically, where we look at the x-values and the y-values seperately.
lesson notes:03 parametric coordinates
Some examples from the past, including the idea of finding the function of the original graph
lesson notes:09 other graphs