Math.cos()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The Math.cos() static method returns the cosine of a number in radians.
Try it
function getCircleX(radians, radius) {
return Math.cos(radians) * radius;
}
console.log(getCircleX(1, 10));
// Expected output: 5.403023058681398
console.log(getCircleX(2, 10));
// Expected output: -4.161468365471424
console.log(getCircleX(Math.PI, 10));
// Expected output: -10
Syntax
js
Math.cos(x)
Parameters
x-
A number representing an angle in radians.