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COSH
Section: Linux Programmer's Manual (3)Updated: 1993-06-13
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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 (C99)SEE ALSO
acosh(3), asinh(3), atanh(3), sinh(3), tanh(3)