cosh

public static double cosh(double x)

The hyperbolic cosine of the number.

Parameters

x

The number to get the hyperbolic cosine of.

Returns the hyperbolic cosine for a number.

The hyperbolic cosine for a number can be expressed with Euler's number such that:

Math.cosh(x) == (Math.exp(x) + Math.exp(-x)) / 2;

1 2 3 4

import System;   Console.log(Math.cosh(0)); // 1 Console.log(Math.cosh(1)); // 1.5430806348152437