math-acosh-function-javascript.md

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Math.acosh Function (JavaScript) | Microsoft Docs		01/18/2017	windows-client-threshold			devlang-javascript		language-reference	JavaScript TypeScript DHTML	881dd2a0-36a5-403b-a3dc-523d8e1e1317	3	mikejo5000	mikejo	ghogen

Math.acosh Function (JavaScript)

Returns the hyperbolic arccosine (or inverse hyperbolic cosine) of a number.

Syntax

Math.acosh(number)  

Parameters

The required number argument is a numeric expression.

Return Value

The inverse hyperbolic cosine of the number argument, in radians.

Example

The following code shows how to use the acosh function.

var v1 = Math.acosh(3);  
vary v2 = Math.acosh(-1);  
  
document.write(v1);  
document.write("</br>");  
document.write(v2);  
  
// Output:  
// 1.762747174039086  
// NaN  
  

Remarks

Applies To: Math Object

Requirements

[!INCLUDEjsv12]

See Also

Math.acos Function
Math.asin Function
Math.atan Function
Math.cos Function
Math.sin Function
Math.tan Function
Math Object