SINH(3M) — UNIX Programmer’s Manual
NAME
sinh, cosh, tanh − hyperbolic functions
SYNOPSIS
#include <math.h>
double sinh(double x);
double cosh(double x);
double tanh(double x);
DESCRIPTION
These functions compute the designated hyperbolic functions for real arguments.
ERROR (due to roundoff, etc.)
Below 2.4 ulps; an ulp is one Unit in the Last Place.
SEE ALSO
4th Berkeley Distribution — August 1, 1992