.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\" May be distributed under the GNU General Public License
.\" References consulted:
.\"     Linux libc source code
.\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\"     386BSD man pages
.\" Modified Sat Jul 24 18:17:13 1993 by Rik Faith (faith@cs.unc.edu)
.TH SIN 3  "June 8, 1993" "" "Linux Programmer's Manual"
.SH NAME
sin \- sine function
.SH SYNOPSIS
.nf
.B #include <math.h>
.sp
.BI "double sin(double " x );
.fi
.SH DESCRIPTION
The \fBsin()\fP function returns the sine of \fIx\fP, where \fIx\fP is
given in radians.
.SH "RETURN VALUE"
The \fBsin()\fP function returns a value between -1 and 1.
.SH "CONFORMING TO"
SVID 3, POSIX, BSD 4.3, ISO 9899
.SH SEE ALSO
.BR acos "(3), " asin "(3), " atan "(3), " atan2 "(3), " cos "(3), " tan (3)