private static double ToRadians(double x, DegRadGrad drg)
{
double result = 0;
switch (drg)
{
case DegRadGrad.Deg:
result = DegreeConverter.DegToRad(x);
break;
case DegRadGrad.Rad:
result = x;
break;
case DegRadGrad.Grad:
result = DegreeConverter.GradToRad(x);
break;
default:
Debug.Assert(false, "Parametar should be Deg, Rad or Grad");
break;
}
return(result);
}
public static double Acsch(double x, DegRadGrad drg)
{
return(FromRadians(Asinh(1 / x, drg), drg));
}
public static double Atanh(double x, DegRadGrad drg)
{
return(FromRadians(Math.Log((1 + x) / (1 - x)) / 2, drg));
}
public static double Asech(double x, DegRadGrad drg)
{
return(FromRadians(Acosh(1 / x, drg), drg));
}
public static double Csch(double x, DegRadGrad drg)
{
return(2.0 / (Math.Pow(Math.E, ToRadians(x, drg)) - Math.Pow(Math.E, -ToRadians(x, drg))));
}
public static double Acosh(double x, DegRadGrad drg)
{
return(FromRadians(Math.Log(x + Math.Sqrt(x * x - 1)), drg));
}
public static double Tanh(double x, DegRadGrad drg)
{
return(Math.Tanh(ToRadians(x, drg)));
}
public static double Coth(double x, DegRadGrad drg)
{
return(Cosh(ToRadians(x, drg), drg) / Sinh(ToRadians(x, drg), drg));
}
public static double Acsc(double x, DegRadGrad drg)
{
return(FromRadians(Math.Asin(1.0 / x), drg));
}
public static double Asec(double x, DegRadGrad drg)
{
return(FromRadians(Math.Acos(1.0 / x), drg));
}
public static double Atan2(double y, double x, DegRadGrad drg)
{
return(FromRadians(Math.Atan2(y, x), drg));
}
public static double Csc(double x, DegRadGrad drg)
{
return(1.0 / Math.Sin(ToRadians(x, drg)));
}
public static double Sec(double x, DegRadGrad drg)
{
return(1.0 / Math.Cos(ToRadians(x, drg)));
}