Parametric SVG Ellipse

This shows the criteria needed to draw an SVG parametic ellipse. The following are defined: origin, width, and x/y ratio. These control placement of the plotted x,y values of the parametric equation.
Scenerio:
Ellipse Parametric Equation:
x=5cos(α), y=2sin(α)   0>α<2π
Create a ellipse with:
origin [ x:, y: ]
size
x radius Ratio: y radius Ratio:

SVG Source:
Javascript:
OK in:IE11/CH32/FF23