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Math.atan() Method with Example in JavaScript

JavaScript | Math.atan() Method: Here, we are going to learn about the atan() method of Math class in JavaScript with Examples.
Submitted by Shivang Yadav, on December 21, 2019

JavaScript | Math.atan() Method

Math.atan() is a function in math library of JavaScript that is used to find the value of arctangent of a number.

    atan(x) = arctan(x) = y => tan(y) = x

Syntax:

    Math.atan(p);

Parameter(s):

p – It represents the value whose arctangent value to be found.

Return value:

The return type of this method is number, it returns the arctangent value of the given p.

Example 1: Valid values for the method

console.log(Math.tanh(0));
console.log(Math.tanh(6));
console.log(Math.tanh(Infinity));
console.log(Math.tanh(-0.56));
console.log(Math.tanh(-Infinity));

Output

0
0.9999877116507956
 1
-0.5079774328978962
-1

Example 2: Passing non-numeric values.

console.log(Math.atanh("IncludeHelp"));
// Output: NaN

console.log(Math.atan(1 + 4i));
// Output: Uncaught SyntaxError: Invalid or unexpected token