In this post we discuss about Parametric Function. It can be defined as ” Sometime a curve is described by expressing both x and y as function of a third variable “t” or “θ” which is called parameter. The equations of the type x=f(t) and y=g(t) are called the parametric equations of the curve. The functions of the form given below are called Parametric Functions
(1) x =a t 2 (2) x = a cos t
y = at y = a sin t
(3) x = a cos θ (4) x = a sec θ
y = a sin θ y = a tan θ