সি# Atan2 গণিত

using System;

namespace MyApplication {
  class Program {
    static void Main(string[] args) {

        Console.WriteLine(Math.Atan2(0.5, 0.4));
        Console.WriteLine(Math.Atan2(0.5, 0.5));
        Console.WriteLine(Math.Atan2(0.5, 0.6));

    }
  }
}