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TANH(3)		       FreeBSD Library Functions Manual		       TANH(3)

NAME
     tanh, tanhf, tanhl	-- hyperbolic tangent functions

LIBRARY
     Math Library (libm, -lm)

SYNOPSIS
     #include <math.h>

     double
     tanh(double x);

     float
     tanhf(float x);

     long double
     tanhl(long	double x);

DESCRIPTION
     The tanh(), tanhf(), and tanhl() functions	compute	the hyperbolic tangent
     of	x.  For	a discussion of	error due to roundoff, see math(3).

RETURN VALUES
     The tanh(), tanhf(), and the tanhl() functions return the hyperbolic tan-
     gent value.

SEE ALSO
     acos(3), asin(3), atan(3),	atan2(3), cos(3), cosh(3), ctanh(3), math(3),
     sin(3), sinh(3), tan(3)

STANDARDS
     The tanh()	function conforms to ISO/IEC 9899:1990 (``ISO C90'').

FreeBSD	11.2			August 17, 2013			  FreeBSD 11.2

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | STANDARDS

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