2 sin - trigonometric sine
8 x number (real or complex)
9 eps nonzero real, defaults to epsilon()
14 Calculate the sine of x to a multiple of eps with error less in
15 absolute value than .75 * eps.
18 ; print sin(1, 1e-5), sin(1, 1e-10), sin(1, 1e-15), sin(1, 1e-20)
19 .84147 .8414709848 .841470984807896 .84147098480789650665
21 ; print sin(2 + 3i, 1e-5), sin(2 + 3i, 1e-10)
22 9.1545-4.16891i 9.1544991469-4.16890696i
25 ; print sin(pi/6, 1e-10), sin(pi/2, 1e-10), sin(pi, 1e-10)
32 NUMBER *qsin(NUMBER *x, NUMBER *eps)
33 COMPLEX *c_sin(COMPLEX *x, NUMBER *eps)
36 cos, tan, sec, csc, cot, epsilon
38 ## Copyright (C) 1999 Landon Curt Noll
40 ## Calc is open software; you can redistribute it and/or modify it under
41 ## the terms of the version 2.1 of the GNU Lesser General Public License
42 ## as published by the Free Software Foundation.
44 ## Calc is distributed in the hope that it will be useful, but WITHOUT
45 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
46 ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
47 ## Public License for more details.
49 ## A copy of version 2.1 of the GNU Lesser General Public License is
50 ## distributed with calc under the filename COPYING-LGPL. You should have
51 ## received a copy with calc; if not, write to Free Software Foundation, Inc.
52 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
54 ## @(#) $Revision: 30.1 $
55 ## @(#) $Id: sin,v 30.1 2007/03/16 11:10:42 chongo Exp $
56 ## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/sin,v $
58 ## Under source code control: 1994/03/19 01:40:28
59 ## File existed as early as: 1994
61 ## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
62 ## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/