COSH(3) Linux Programmer's Manual COSH(3)
NAME
cosh - hyperbolic cosine functionSYNOPSIS
#include <math.h> double cosh(double x);DESCRIPTION
The cosh() function returns the hyperbolic cosine of x, which is defined mathematically as exp(x) + exp(-x) / 2.CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899
acosh, asinh, atanh, sinh, tanh,
June 13, 1993 1
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