The JavaScript math atan() method is used to get the arc-tangent of the given number in radians. It returns the value between -Math.PI/2 to Math.PI/2.
Syntax:
Math.atan(n)
Parameters
n: It represents the number whose arc-tangent has to be get.
Returns
Arc-tangent value of a number
Example:
<!DOCTYPE html> <html> <body> <script> document.writeln(Math.atan(0)); </script> </body> </html>