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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 2003-07-23, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated 2005-02-21, Akihiro MOTOKI
.\"
.\"WORD: sine
.\"WORD: cosine ;
.\"WORD: tangent
.\"
.TH CTAN 3 2008-08-11 "" "Linux Programmer's Manual"
.SH ̾
ctan, ctanf, ctanl \- ʣǿ (tangent) ؿ
.SH
.B #include <complex.h>
.sp
.BI "double complex ctan(double complex " z ");"
.br
.BI "float complex ctanf(float complex " z );
.br
.BI "long double complex ctanl(long double complex " z ");"
.sp
\fI\-lm\fP ǥ롣
.SH
ʣǿ (tangent) ؿ ctan(z) ϰʲΤ褦롣
.nf
ctan(z) = csin(z) / ccos(z)
.fi
.SH С
δؿ glibc С 2.1 ǽо줷
.SH
C99.
.SH Ϣ
.BR cabs (3),
.BR ccos (3),
.BR csin (3),
.BR complex (7)
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