module.exports = function cos(arg) {
  //      discuss at: https://locutus.io/php/cos/
  // parity verified: PHP 8.3
  //     original by: Onno Marsman (https://twitter.com/onnomarsman)
  //       example 1: Math.ceil(cos(8723321.4) * 10000000)
  //       returns 1: -1812718

  return Math.cos(arg)
}