GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
RedHat 5.2(Apollo) |
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cosh(3) |
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cosh − hyperbolic cosine function
#include <math.h>
double cosh(double x);
The cosh() function returns the hyperbolic cosine of x, which is defined mathematically as (exp(x) + exp(-x)) / 2.
SVID 3, POSIX, BSD 4.3, ISO 9899
acosh(3), asinh(3), atanh(3), sinh(3), tanh(3)
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cosh(3) | |