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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 05:24:36 JST 2003
.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD: sine
.\"WORD: cosine ;
.\"WORD: tangent
.\"
.TH CSIN 3 2007-12-26 "" "Linux Programmer's Manual"
.SH ̾
csin, csinf, csinl \- ʣǿ (sine)
.SH
.B #include <complex.h>
.sp
.BI "double complex csin(double complex " z ");"
.br
.BI "float complex csinf(float complex " z );
.br
.BI "long double complex csinl(long double complex " z ");"
.sp
\fI\-lm\fP ǥ롣
.SH
ʣǿ (sine) ؿ csin(z) ϰʲΤ褦롣
.nf
csin(z) = (exp(i * z) \- exp(\-i * z)) / (2 * i)
.fi
.SH
C99
.SH Ϣ
.BR cabs (3),
.BR ccos (3),
.BR ctan (3),
.BR complex (7)
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