locutus/esm/php/math/cosh.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

export function cosh(arg) {
    //      discuss at: https://locutus.io/php/cosh/
    // parity verified: PHP 8.3
    //     original by: Onno Marsman (https://twitter.com/onnomarsman)
    //       example 1: cosh(-0.18127180117607017)
    //       returns 1: 1.0164747716114113
    return (Math.exp(arg) + Math.exp(-arg)) / 2;
}