Transform Polar to Cartsian Coordinats

polarToCartesian.js

/**
 * Coordinates Transformations
 *
 * http://stackoverflow.com/questions/5736398/how-to-calculate-the-svg-path-for-an-arc-of-a-circle
 *
 * @param centerX
 * @param centerY
 * @param radius
 * @param angleInDegrees
 * @returns {string}
 */
function polarToCartesian(centerX, centerY, radius, angleInDegrees) {
    var angleInRadians = (angleInDegrees - 90) * Math.PI / 180.0;
    var x = centerX + (radius * Math.cos(angleInRadians));
    var y = centerY + (radius * Math.sin(angleInRadians));

    return `${x} ${y}`;
}

Useful when drawing an SVG Circle as Path