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coshl(3) -- Linux man page

 

NAME

cosh, coshf, coshl - hyperbolic cosine function  

SYNOPSIS

#include <math.h>

double cosh(double x);

float coshf(float x);

long double coshl(long 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). The float and the long double variants are C99 requirements.  

SEE ALSO

acosh(3), asinh(3), atanh(3), sinh(3), tanh(3)


 
LINUX MAN PAGES
Man1 -- User Commands (Intro)
Man2 -- System Calls (Intro)
Man3 -- Library Functions (Intro)
Man4 -- Special Files (Intro)
Man5 -- File Formats (Intro)
Man6 -- Games (Intro)
Man7 -- Miscellaneous (Intro)
Man8 -- Administration (Intro)
Mann -- TCL Functions (not available)


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