Question

How do you convert `x^2 + y^2 = 49` into parametric equations?

Answer 1

See below

Explanation:

There are infinite ways of do that

Given `x=f(t)` and `y=g(t)` such that

`f^2(t)+g^2(t) equiv 49` are feasible parameterizations.

Ex.

`f(t) =(7 t)/sqrt(1+t^2)`
`g(t) =7/sqrt(1+t^2)`