home *** CD-ROM | disk | FTP | other *** search
/ Revista do CD-ROM 118 / cd-rom 118.iso / aplic / open / openofficeorg1.cab / sbasic.jar / text / sbasic / shared / 03080102.xhp < prev    next >
Encoding:
Extensible Markup Language  |  2005-02-14  |  6.7 KB  |  102 lines
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!--***********************************************************************
  3.  *
  4.  *  The Contents of this file are made available subject to the terms of
  5.  *  either of the following licenses
  6.  *
  7.  *         - GNU Lesser General Public License Version 2.1
  8.  *         - Sun Industry Standards Source License Version 1.1
  9.  *
  10.  *  Sun Microsystems Inc., October, 2000
  11.  *
  12.  *  GNU Lesser General Public License Version 2.1
  13.  *  =============================================
  14.  *  Copyright 2000 by Sun Microsystems, Inc.
  15.  *  901 San Antonio Road, Palo Alto, CA 94303, USA
  16.  *
  17.  *  This library is free software; you can redistribute it and/or
  18.  *  modify it under the terms of the GNU Lesser General Public
  19.  *  License version 2.1, as published by the Free Software Foundation.
  20.  *
  21.  *  This library is distributed in the hope that it will be useful,
  22.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  23.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  24.  *  Lesser General Public License for more details.
  25.  *
  26.  *  You should have received a copy of the GNU Lesser General Public
  27.  *  License along with this library; if not, write to the Free Software
  28.  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  29.  *  MA  02111-1307  USA
  30.  *
  31.  *
  32.  *  Sun Industry Standards Source License Version 1.1
  33.  *  =================================================
  34.  *  The contents of this file are subject to the Sun Industry Standards
  35.  *  Source License Version 1.1 (the "License"); You may not use this file
  36.  *  except in compliance with the License. You may obtain a copy of the
  37.  *  License at http://www.openoffice.org/license.html.
  38.  *
  39.  *  Software provided under this License is provided on an "AS IS" basis,
  40.  *  WITHOUT WARRUNTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
  41.  *  WITHOUT LIMITATION, WARRUNTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
  42.  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
  43.  *  See the License for the specific provisions governing your rights and
  44.  *  obligations concerning the Software.
  45.  *
  46.  *  The Initial Developer of the Original Code is: Sun Microsystems, Inc..
  47.  *
  48.  *  Copyright: 2000 by Sun Microsystems, Inc.
  49.  *
  50.  *  All Rights Reserved.
  51.  *
  52.  *  Contributor(s): _______________________________________
  53.  *
  54.  *
  55.  ************************************************************************-->
  56.     
  57. <helpdocument version="1.0">
  58. <meta>
  59. <topic id="textsbasicshared03080102xml" indexer="include" status="PUBLISH">
  60. <title id="tit" xml-lang="en-US">Cos Function [Runtime]</title>
  61. <filename>/text/sbasic/shared/03080102.xhp</filename>
  62. </topic>
  63. <history>
  64. <created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
  65. <lastedited date="2004-08-24T11:09:53">converted from old format - fpe</lastedited>
  66. </history>
  67. </meta>
  68. <body>
  69. <section id="cos">
  70. <bookmark xml-lang="en-US" branch="index" id="bm_id3154923"><bookmark_value>Cos function</bookmark_value>
  71. </bookmark>
  72. <paragraph role="heading" id="hd_id3154923" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03080102.xhp" name="Cos Function [Runtime]">Cos Function [Runtime]</link></paragraph>
  73. <paragraph role="paragraph" id="par_id3159413" xml-lang="en-US" l10n="U" oldref="2">Calculates the cosine of an angle. The angle is specified in radians. The result lies between -1 and 1.</paragraph>
  74. </section>
  75. <paragraph role="paragraph" id="par_id3150358" xml-lang="en-US" l10n="U" oldref="3">Using the angle Alpha, the Cos-Function calculates the ratio of the length of the side that is adjacent to the angle, divided by the length of the hypotenuse in a right-angled triangle.</paragraph>
  76. <paragraph role="paragraph" id="par_id3154141" xml-lang="en-US" l10n="U" oldref="4">Cos(Alpha) = Adjacent/Hypotenuse</paragraph>
  77. <paragraph role="heading" id="hd_id3154125" xml-lang="en-US" level="2" l10n="U" oldref="5">Syntax:</paragraph>
  78. <paragraph role="paragraph" id="par_id3145172" xml-lang="en-US" l10n="U" oldref="6">Cos (Number)</paragraph>
  79. <paragraph role="heading" id="hd_id3156214" xml-lang="en-US" level="2" l10n="U" oldref="7">Return value:</paragraph>
  80. <paragraph role="paragraph" id="par_id3150449" xml-lang="en-US" l10n="U" oldref="8">Double</paragraph>
  81. <paragraph role="heading" id="hd_id3153969" xml-lang="en-US" level="2" l10n="U" oldref="9">Parameters:</paragraph>
  82. <paragraph role="paragraph" id="par_id3153770" xml-lang="en-US" l10n="U" oldref="10">
  83. <emph>Number:</emph> Numeric expression that specifies an angle in radians that you want to calculate the cosine for.</paragraph>
  84. <paragraph role="paragraph" id="par_id3145749" xml-lang="en-US" l10n="U" oldref="11">To convert degrees to radians, multiply degrees by pi/180. To convert radians to degrees, multiply radians by 180/pi.</paragraph>
  85. <paragraph role="paragraph" id="par_id3149664" xml-lang="en-US" l10n="U" oldref="12">degree=(radian*180)/pi</paragraph>
  86. <paragraph role="paragraph" id="par_id3146985" xml-lang="en-US" l10n="U" oldref="13">radian=(degree*pi)/180</paragraph>
  87. <paragraph role="paragraph" id="par_id3152885" xml-lang="en-US" l10n="U" oldref="14">Pi is here the fixed circle constant with the rounded value 3.14159...</paragraph>
  88. <embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
  89. <embed href="text/sbasic/shared/00000003.xhp#err5"/>
  90. <paragraph role="heading" id="hd_id3153951" xml-lang="en-US" level="2" l10n="U" oldref="15">Example:</paragraph>
  91. <paragraph role="paragraph" id="par_id3155855" xml-lang="en-US" l10n="U" oldref="16">REM The following example allows for a right-angled triangle the input of</paragraph>
  92. <paragraph role="paragraph" id="par_id3149484" xml-lang="en-US" l10n="U" oldref="17">REM secant and angle (in degrees) and calculates the length of the hypotenuse:</paragraph>
  93. <paragraph role="paragraph" id="par_id3147428" xml-lang="en-US" l10n="U" oldref="18">Sub ExampleCosinus</paragraph>
  94. <paragraph role="paragraph" id="par_id3150010" xml-lang="en-US" l10n="U" oldref="19">REM rounded Pi = 3.14159</paragraph>
  95. <paragraph role="paragraph" id="par_id3149959" xml-lang="en-US" l10n="U" oldref="20">Dim d1 as Double, dAngle as Double</paragraph>
  96. <paragraph role="paragraph" id="par_id3144764" xml-lang="en-US" l10n="U" oldref="21">d1 = InputBox$ (""Enter the length of the adjacent side: ","Adjacent")</paragraph>
  97. <paragraph role="paragraph" id="par_id3154491" xml-lang="en-US" l10n="U" oldref="22">dAngle = InputBox$ ("Enter the angle Alpha (in degrees): ","Alpha")</paragraph>
  98. <paragraph role="paragraph" id="par_id3151074" xml-lang="en-US" l10n="U" oldref="23">Print "The length of the hypothenuse is"; (d1 / cos (dAngle * Pi / 180))</paragraph>
  99. <paragraph role="paragraph" id="par_id3149583" xml-lang="en-US" l10n="U" oldref="24">End Sub</paragraph>
  100. </body>
  101. </helpdocument>
  102.