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.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.\" Japanese Version Copyright (c) 2003 Akihiro MOTOKI
.\" all rights reserved.
.\" Translated Mon Jul 28 23:42:41 JST 2003
.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD: hyperbolic ж()
.\"WORD: sine
.\"WORD: cosine ;
.\"WORD: tangent
.\"
.TH CCOSH 3 2008-08-06 "" "Linux Programmer's Manual"
.SH ̾
ccosh, ccoshf, ccoshl \- ʣǿж; (hyperbolic cosine)
.SH
.B #include <complex.h>
.sp
.BI "double complex ccosh(double complex " z ");"
.br
.BI "float complex ccoshf(float complex " z ");"
.br
.BI "long double complex ccoshl(long double complex " z ");"
.sp
\fI\-lm\fP ǥ롣
.SH
ʣǿж; (hyperbolic cosine) ؿ ccosh(z)
ʲΤ褦롣
.nf
ccosh(z) = (exp(z)+exp(\-z))/2
.fi
.SH С
δؿ glibc С 2.1 ǽо줷
.SH
C99.
.SH Ϣ
.BR cabs (3),
.BR csinh (3),
.BR ctanh (3),
.BR complex (7)
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