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RedHat 9 (Linux i386) - man page for cosh (redhat section 3)

COSH(3) 			    Linux Programmer's Manual				  COSH(3)

NAME
       cosh - hyperbolic cosine function

SYNOPSIS
       #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)

					    1993-06-13					  COSH(3)


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