Function cos

docs/app/js/sanddance-app.js:69447–69449

(radians5, result)

    return map(radians4, (angle)=>Math.sin(angle), result);
}
function cos(radians5, result) {
    return map(radians5, (angle)=>Math.cos(angle), result);
}
function tan(radians6, result) {
    return map(radians6, (angle)=>Math.tan(angle), result);
}