video: parametric eqs.prob#1
revision notes .pdf: parametric eqs.Parametric Equations
Both x and y are given as functions of another variable - called a parameter (eg 't'). Thus a pair of equations, called parametric equations, completely describe a single x-y function.
The d ifferentiation of functions given in parametric form is carried out using the Chain Rule.
Example #1
Example #2
Example #3
