public static Vector PolarToVector(double r, double a1)
{
var x = r * TrigFunctions.Cos(a1);
var y = r * TrigFunctions.Sin(a1);
return(new Vector(x, y));
}
public static double Ctg(double value1)
{
return(TrigFunctions.Cos(value1) / TrigFunctions.Sin(value1));
}
