COSH(3) BSD Programmer's Manual COSH(3)
cosh, coshf - hyperbolic cosine function
#include <math.h> double cosh(double x); float coshf(float x);
The cosh() and coshf() functions compute the hyperbolic cosine of x.
If the magnitude of x is too large, cosh(x) and coshf(x) return Inf and sets the global variable errno to ERANGE.
acos(3), asin(3), atan(3), atan2(3), cos(3), math(3), sin(3), sinh(3), tan(3), tanh(3)
The cosh() function conforms to ANSI X3.159-1989 ("ANSI C"). MirOS BSD #10-current May 2, 1991 1
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