.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.TH CTAN 3 2002-07-28 "" "complex math routines"
.SH NAME
ctan, ctanf, ctanl \- complex tangent function
.SH SYNOPSIS
.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
Link with \-lm.
.SH DESCRIPTION
The complex tangent function ctan(z) is defined as ccos(z)/csin(z).
.SH "CONFORMING TO"
C99
.SH "SEE ALSO"
.BR cabs (3),
.BR ccos (3),
.BR csin (3),
.BR complex (5)