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.\"     from: @(#)cosh.3	5.1 (Berkeley) 5/2/91
.\" $FreeBSD: src/lib/msun/man/cosh.3,v 1.12 2005/01/14 23:28:28 das Exp $
.\"
.Dd January 14, 2005
.Dt COSH 3
.Os
.Sh NAME
.Nm cosh ,
.Nm coshf
.Nd hyperbolic cosine functions
.Sh LIBRARY
.Lb libm
.Sh SYNOPSIS
.In math.h
.Ft double
.Fn cosh "double x"
.Ft float
.Fn coshf "float x"
.Sh DESCRIPTION
The
.Fn cosh
and the
.Fn coshf
functions compute the hyperbolic cosine of
.Fa x .
.Sh SEE ALSO
.Xr acos 3 ,
.Xr asin 3 ,
.Xr atan 3 ,
.Xr atan2 3 ,
.Xr cos 3 ,
.Xr math 3 ,
.Xr sin 3 ,
.Xr sinh 3 ,
.Xr tan 3 ,
.Xr tanh 3
.Sh STANDARDS
The
.Fn cosh
function conforms to
.St -isoC .