//https://www.ams.org/journals/mcom/1954-08-047/S0025-5718-1954-0063487-2/S0025-5718-1954-0063487-2.pdf
public static double AtanAms(double r)
{
return(NBSApplied.Atan(r));
}
//public static float Cos(float x) //x in radians
//
//return SinXupremZero(x + 1.5707963f);
//}
// https://www.ams.org/journals/mcom/1954-08-047/S0025-5718-1954-0063487-2/S0025-5718-1954-0063487-2.pdf
public static double SinAms(double ang)
{
return(NBSApplied.Sin(ang));
}