COSH - hyperbolic cosine function.

(ANSI Standard)

Usage:

#include <math.h>
y = cosh( x );

Where:

double x, y;
 

Description:

"cosh" returns the hyperbolic cosine of "x". If the result is too large, "cosh" returns the value HUGE_VAL (defined in <math.h>) and sets "errno" to ERANGE.

See Also:

expl c lib errno

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