JSFiddle - React, Tailwind, and code Playground
HTML
<svg width="200px" height="200px" viewBox="-1 -1 2 2">
<path d="
M 1 0
A 1 1 0 0 1 -1.8369701987210297e-16 -1
L 0 0
" fill="#0000ff" />
</svg>
JavaScript
function getCoordinatesForPercent(percent) {
const x = Math.cos(2 * Math.PI * percent);
const y = Math.sin(2 * Math.PI * percent);
return [x, y];
}
console.log(getCoordinatesForPercent(.75))