home *** CD-ROM | disk | FTP | other *** search
/ IRIX 6.5 Complementary Applications 2004 May / SGI IRIX 6.5 Complementary Applications 2004 May.iso / dist / OpenOffice.idb / usr / OpenOffice / help / en / sbasic.jar / text / sbasic / common / 03080103.xml < prev    next >
Encoding:
Extensible Markup Language  |  2002-01-24  |  2.6 KB  |  41 lines
  1. <?xml version="1.0" encoding="utf-8"?>
  2. <html><head><title>Sin-Function [Runtime]</title><meta name="filename" content="text/sbasic/common/03080103"/><meta name="language" content="en-US"/><help:css-file-link xmlns:help="http://openoffice.org/2000/help"/><!--The CSS style header method for setting styles--><style type="text/css">
  3.  
  4.         p.P1{
  5.                 }
  6.         p.P2{
  7.                 }
  8.         span.T1{
  9.                 font-weight:bold;}
  10.         </style></head><body>
  11.   
  12.   
  13.   <help:to-be-embedded Eid="sin" xmlns:help="http://openoffice.org/2000/help">
  14.   <p class="Head1"><help:link Id="66493">Sin-Function [Runtime]</help:link></p>
  15.   <p class="Paragraph">Returns the sine of an angle. The angle is specified in radians. The result lies between -1 and 1.</p>
  16.   </help:to-be-embedded>
  17.   <p class="Paragraph">Using the angle Alpha, the Sin Function returns the ratio of the length of the opposite side of an angle to the length of the hypotenuse in a right-angled triangle.</p>
  18.   <p class="Paragraph">Sin(Alpha) = side opposite the angle/hypotenuse</p>
  19.   <p class="Paragraph"><span class="T1">Syntax</span>:</p>
  20.   <p class="Paragraph">Sin (Number) <help:key-word value="Sin" tag="kw66493_1" xmlns:help="http://openoffice.org/2000/help"/></p>
  21.   <p class="Paragraph"><span class="T1">Return value</span>:</p>
  22.   <p class="Paragraph">Double</p>
  23.   <p class="Paragraph"><span class="T1">Parameter</span>:</p>
  24.   <p class="Paragraph">Number: Numeric expression that defines the angle in radians, for which to calculate the sine.</p>
  25.   <p class="Paragraph">To convert degrees to radians, multiply degrees by Pi/180, and to convert radians to degrees, multiply radians by 180/Pi.</p>
  26.   <p class="Paragraph">grad=(radiant*180)/pi</p>
  27.   <p class="Paragraph">radiant=(grad*pi)/180</p>
  28.   <p class="Paragraph">Pi is approximately 3.141593.</p>
  29.   <p class="P2">Example:</p>
  30.   <p class="PropText">REM In this example, the following entry is possible for a right-angled triangle:</p>
  31.   <p class="PropText">REM The side opposite the angle and the angle (in degrees) to calculate the length of the hypotenuse:</p>
  32.   <p class="PropText">Sub ExampleSine</p>
  33.   <p class="PropText">REM Pi = 3.1415926 is a predefined variable</p>
  34.   <p class="PropText">Dim d1 as Double</p>
  35.   <p class="PropText">Dim dAlpha as Double</p>
  36.   <p class="PropText">d1 <text:s text:c="" xmlns:text="http://openoffice.org/2000/text"/>= InputBox$ ("Enter the length of the opposite side: ","Opposite Side")</p>
  37.   <p class="PropText">dAlpha = InputBox$ "Enter the angle Alpha (in degrees): ","Alpha")</p>
  38.   <p class="PropText">Print "The length of the hypotenuse is"; (d1 / sin (dAlpha * Pi / 180))</p>
  39.   <p class="PropText">End Sub</p>
  40.   <p class="PropText"/>
  41.  </body></html>