◄Description► ◄Example► ◄Up► ◄Contents► ◄Index► ◄Back► ─────Run-Time Library─────────────────────────────────────────────────────── Include: <math.h>, <errno.h> Syntax: long double _coshl( long double x ); long double _sinhl( long double x ); long double _tanhl( long double x ); Returns: (_coshl) the hyperbolic cosine of <x>, or _LHUGE_VAL if the result is too large. (_sinhl) the hyperbolic sine of <x> if successful, or ±_LHUGE_VAL if not. (_tanhl) the hyperbolic tangent of <x>. errno: ERANGE See also: _cosl, acos, _acosl, _matherrl -♦-