COMPLEX NUMBER, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Numerics;

//DEVELOPER: PANNA CHATTERJEE
namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            // Initializing the complex: (-1.0+0.0i)
             Complex mycomplex = new Complex(0.0, 1.0);

//Cos,Sin,Tan
             Console.WriteLine(Complex.Cos(mycomplex));
             Console.WriteLine(Complex.Sin(mycomplex));
             Console.WriteLine(Complex.Tan(mycomplex));
            
            
             //Pow
             Console.WriteLine(Complex.Pow(Complex.One, -1));
            
             // Instantiate a complex number from its polar coordinates.
             Console.WriteLine(Complex.FromPolarCoordinates(10, .524));
            
            
            //Log
            Console.WriteLine(Complex.Log(10));
            
            
            //Sqrt
            Complex minusOne = new Complex(-1, 0);
            Console.WriteLine(Complex.Sqrt(minusOne));
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,12 sec, absolute running time: 0,08 sec, cpu time: 0,08 sec, average memory usage: 12 Mb, average nr of threads: 3