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Java - atan2() Method

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Description:

The method Converts rectangular coordinates (x, y) to polar coordinate (r, theta) and returns theta.

Syntax:

double atan2(double y, double x)

Parameters:

Here is the detail of parameters:

Return Value :

Example:

public class Test{ 
   public static void main(String args[]){
     double x = 45.0;
     double y = 30.0;

     System.out.println( Math.atan2(x, y) );
   }
}

This produces following result:

0.982793723247329

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