Elementary introduction to the use of Math.atan () method in JavaScript

This method returns the tangent of radians. The Atan method returns a numeric value between-PI/2 and Π/2 radians.
Grammar

Math.atan (x);

The following are the details of the parameters:

• X: A number

return value:

• Returns the tangent value of a number of radians

Example:

This will produce the following results:

A: -0.7853981633974483
Second test value:0.4636476090008061
Third Test value:1.5374753309166 493
Fourth Test Value:nan