using System;

public class Program

{

    public static void Main()

    {

        //References

        Tools tools = new Tools();

        double[] Vector3d = new double[] {0.0, 0.0, 0.0};

        double CameraRotation = 180.0;

        double CameraRadians = tools.ConvertToRadians(CameraRotation);

        Vector3d[0] = Math.Cos(CameraRadians);

        Vector3d[2] = Math.Sin(CameraRadians);

        Console.WriteLine(Vector3d[0]);

        Console.WriteLine(Vector3d[2]);

    }

}

​

public class Tools

{

    public double ConvertToRadians(double degrees)

    {

        double convert = (degrees * 3.1415) / 180;

        return convert;

    }

}