Returns the hyperbolic cosine of a number.
Syntax
Math.cosh(x)
Remarks
The return value is the same as (exp(x) + exp(-x))/2. If x is NaN, the result is NaN.
Applies To: Math Object
Requirements
Supported in Microsoft Edge (Edge browser). Also supported in Store apps (Microsoft Edge on Windows 10). See Version Information.
Not supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards, Internet Explorer 10 standards, Internet Explorer 11 standards. Not supported in Windows 8.1.
See Also
Math.acos Function
Math.acosh Function
Math.asin Function
Math.atan Function
Math.sin Function
Math.sinh Function
Math.tan Function

