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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 Wed Jul 23 05:24:15 JST 2003
.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD: sine
.\"WORD: cosine ;
.\"WORD: tangent
.\"
.TH CCOS 3 2008-08-06 "" "Linux Programmer's Manual"
.SH ̾
ccos, ccosf, ccosl \- ʣǿ; (cosine)
.SH
.B #include <complex.h>
.sp
.BI "double complex ccos(double complex " z ");"
.br
.BI "float complex ccosf(float complex " z ");"
.br
.BI "long double complex ccosl(long double complex " z ");"
.sp
\fI\-lm\fP ǥ롣
.SH
ʣǿ; (cosine) ؿ ccos(z) ϰʲΤ褦롣
.nf
ccos(z) = (exp(i * z) + exp(\-i * z)) / 2
.fi
.SH С
δؿ glibc С 2.1 ǽо줷
.SH
C99.
.SH Ϣ
.BR cabs (3),
.BR csin (3),
.BR ctan (3),
.BR complex (7)
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