| cos.3 (2117) | cos.3 (6794) |
|---|---|
| 1.\" Copyright (c) 1991 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)cos.3 5.1 (Berkeley) 5/2/91 | 1.\" Copyright (c) 1991 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)cos.3 5.1 (Berkeley) 5/2/91 |
| 33.\" $Id: cos.3,v 1.5 1993/10/29 22:57:25 jtc Exp $ | 33.\" $Id: cos.3,v 1.1.1.1 1994/08/19 09:39:42 jkh Exp $ |
| 34.\" 35.Dd May 2, 1991 36.Dt COS 3 37.Os 38.Sh NAME | 34.\" 35.Dd May 2, 1991 36.Dt COS 3 37.Os 38.Sh NAME |
| 39.Nm cos 40.Nd cosine function | 39.Nm cos , 40.Nm cosf 41.Nd cosine functions |
| 41.Sh SYNOPSIS 42.Fd #include <math.h> 43.Ft double 44.Fn cos "double x" | 42.Sh SYNOPSIS 43.Fd #include <math.h> 44.Ft double 45.Fn cos "double x" |
| 46.Ft float 47.Fn cos "float x" |
|
| 45.Sh DESCRIPTION 46The 47.Fn cos | 48.Sh DESCRIPTION 49The 50.Fn cos |
| 48function computes the cosine of | 51and the 52.Fn cosf 53functions compute the cosine of |
| 49.Fa x 50(measured in radians). 51A large magnitude argument may yield a result with little or no 52significance. 53For a discussion of error due to roundoff, see 54.Xr math 3 . 55.Sh RETURN VALUES 56The 57.Fn cos | 54.Fa x 55(measured in radians). 56A large magnitude argument may yield a result with little or no 57significance. 58For a discussion of error due to roundoff, see 59.Xr math 3 . 60.Sh RETURN VALUES 61The 62.Fn cos |
| 58function returns the cosine value. | 63and the 64.Fn cosf 65functions return the cosine value. |
| 59.Sh SEE ALSO 60.Xr sin 3 , 61.Xr tan 3 , 62.Xr asin 3 , 63.Xr acos 3 , 64.Xr atan 3 , 65.Xr atan2 3 , 66.Xr sinh 3 , 67.Xr cosh 3 , 68.Xr tanh 3 , 69.Xr math 3 70.Sh STANDARDS 71The 72.Fn cos 73function conforms to 74.St -ansiC . | 66.Sh SEE ALSO 67.Xr sin 3 , 68.Xr tan 3 , 69.Xr asin 3 , 70.Xr acos 3 , 71.Xr atan 3 , 72.Xr atan2 3 , 73.Xr sinh 3 , 74.Xr cosh 3 , 75.Xr tanh 3 , 76.Xr math 3 77.Sh STANDARDS 78The 79.Fn cos 80function conforms to 81.St -ansiC . |