TANH(3) Linux Programmer's Manual TANH(3)
NAME
tanh - hyperbolic tangent functionSYNOPSIS
#include <math.h> double tanh(double x);DESCRIPTION
The tanh() function returns the hyperbolic tangent of x, which is defined mathematically as sinh(x) / cosh(x).CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899
acosh, asinh, atanh, cosh, sinh,
June 13, 1993 1
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