The atanh() function of the Math object accepts a number and returns its hyperbolic arc arctangent value in radians. To convert the resultant value into degrees, multiply it with 180 and divide the result by 3.14159 (pi value).
Syntax
Its Syntax is as follows
Math.atanh(0.5)
Example
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var result = Math.atanh(0.5);
document.write("arctangent value: "+result);
document.write("<br>");
document.write("hyperbolic arctangent value in degrees: "+result*180/Math.PI);
</script>
</body>
</html>Output
arctangent value: 0.5493061443340548 arctangent value in degrees: 31.47292373094538