// Negation Formulae
public Angle NegateVertical()
{
Angle a = new Angle(Math.Asin (-Math.Sin (this.direction.ReturnRadians())));
a.ToDegrees();
// Account for non-standard angles.
a.CorrectAngle();
return (a);
}
public Angle NegateHorizontal()
{
Angle a = new Angle(Math.Acos (-Math.Cos (this.direction.ReturnRadians())));
a.ToDegrees();
// Account for non-standard angles.
a.CorrectAngle();
return (a);
}
