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math(3M)

SINH(3M)  —  

NAME

sinh, cosh, tanh − hyperbolic functions

SYNOPSIS

#include <math.h>

double sinh(x)
double x;

double cosh(x)
double x;

double tanh(x)
double x;

DESCRIPTION

These functions compute the designated hyperbolic functions for real arguments. 

DIAGNOSTICS

Sinh and cosh return ∞ if the correct value would overflow. 

ERRORS (due to roundoff, etc.)

Below 2.4 ulps; an ulps is one Unit in the Last Place. 

SEE ALSO

math(3M)
 
 

PRPQs 5799-WZQ/5799-PFF: IBM/4.3  —  15 Dec 1986

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