1 .\" $OpenBSD: csin.3,v 1.2 2013/06/05 03:40:26 tedu Exp $
3 .\" Copyright (c) 2011 Martynas Venckus <martynas@openbsd.org>
5 .\" Permission to use, copy, modify, and distribute this software for any
6 .\" purpose with or without fee is hereby granted, provided that the above
7 .\" copyright notice and this permission notice appear in all copies.
9 .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 .Dd $Mdocdate: June 5 2013 $
24 .Nd complex circular sine
28 .Fn csin "double complex z"
30 .Fn csinf "float complex z"
31 .Ft long double complex
32 .Fn csinl "long double complex z"
39 functions compute the complex circular sine of
45 .Bd -literal -offset indent
46 csin(z) = sin(x) cosh(y) + i cos(x) sinh(y).
54 functions return the complex circular sine of