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Extensible Markup Language  |  2003-08-01  |  5.1 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"/><help:css-file-link xmlns:help="http://openoffice.org/2000/help"/><!--The CSS style header method for setting styles--><style type="text/css">
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  11.   <help:paragraphinfo state="E" xmlns:help="http://openoffice.org/2000/help"/><help:to-be-embedded Eid="sin" xmlns:help="http://openoffice.org/2000/help">
  12.   <p class="Head1"><help:paragraphinfo state="U" number="1"/><help:key-word value="Sin; function" tag="kw66493_1"/><help:link Id="66493">Sin Function [Runtime]</help:link></p>
  13.   <p class="Paragraph"><help:paragraphinfo state="U" number="2"/>Returns the sine of an angle. The angle is specified in radians. The result lies between -1 and 1.</p>
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  15.   <p class="Paragraph"><help:paragraphinfo state="U" number="3" xmlns:help="http://openoffice.org/2000/help"/>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>
  16.   <p class="Paragraph"><help:paragraphinfo state="U" number="4" xmlns:help="http://openoffice.org/2000/help"/>Sin(Alpha) = side opposite the angle/hypotenuse</p>
  17.   <p class="Head2"><help:paragraphinfo state="U" number="5" xmlns:help="http://openoffice.org/2000/help"/>Syntax:</p>
  18.   <p class="Paragraph"><help:paragraphinfo state="U" number="6" xmlns:help="http://openoffice.org/2000/help"/>Sin (Number)</p>
  19.   <p class="Head2"><help:paragraphinfo state="U" number="7" xmlns:help="http://openoffice.org/2000/help"/>Return value:</p>
  20.   <p class="Paragraph"><help:paragraphinfo state="U" number="8" xmlns:help="http://openoffice.org/2000/help"/>Double</p>
  21.   <p class="Head2"><help:paragraphinfo state="U" number="9" xmlns:help="http://openoffice.org/2000/help"/>Parameters:</p>
  22.   <p class="Paragraph"><help:paragraphinfo state="U" number="10" xmlns:help="http://openoffice.org/2000/help"/><span class="T1">Number:</span> Numeric expression that defines the angle in radians that you want to calculate the sine for.</p>
  23.   <p class="Paragraph"><help:paragraphinfo state="U" number="11" xmlns:help="http://openoffice.org/2000/help"/>To convert degrees to radians, multiply degrees by Pi/180, and to convert radians to degrees, multiply radians by 180/Pi.</p>
  24.   <p class="Paragraph"><help:paragraphinfo state="U" number="12" xmlns:help="http://openoffice.org/2000/help"/>grad=(radiant*180)/pi</p>
  25.   <p class="Paragraph"><help:paragraphinfo state="U" number="13" xmlns:help="http://openoffice.org/2000/help"/>radiant=(grad*pi)/180</p>
  26.   <p class="Paragraph"><help:paragraphinfo state="U" number="14" xmlns:help="http://openoffice.org/2000/help"/>Pi is approximately 3.141593.</p>
  27.   <p class="Paragraph"><help:paragraphinfo state="S" xmlns:help="http://openoffice.org/2000/help"/><help:embedded Id="66475" Eid="errorcode" xmlns:help="http://openoffice.org/2000/help"/></p>
  28.   <p class="Paragraph"><help:paragraphinfo state="S" xmlns:help="http://openoffice.org/2000/help"/><help:embedded Id="66475" Eid="err5" xmlns:help="http://openoffice.org/2000/help"/></p>
  29.   <p class="Head2"><help:paragraphinfo state="U" number="15" xmlns:help="http://openoffice.org/2000/help"/>Example:</p>
  30.   <p class="PropText"><help:paragraphinfo state="U" number="16" xmlns:help="http://openoffice.org/2000/help"/>REM In this example, the following entry is possible for a right-angled triangle:</p>
  31.   <p class="PropText"><help:paragraphinfo state="U" number="17" xmlns:help="http://openoffice.org/2000/help"/>REM The side opposite the angle and the angle (in degrees) to calculate the length of the hypotenuse:</p>
  32.   <p class="PropText"><help:paragraphinfo state="U" number="18" xmlns:help="http://openoffice.org/2000/help"/>Sub ExampleSine</p>
  33.   <p class="PropText"><help:paragraphinfo state="U" number="19" xmlns:help="http://openoffice.org/2000/help"/>REM Pi = 3.1415926 is a predefined variable</p>
  34.   <p class="PropText"><help:paragraphinfo state="U" number="20" xmlns:help="http://openoffice.org/2000/help"/>Dim d1 as Double</p>
  35.   <p class="PropText"><help:paragraphinfo state="U" number="21" xmlns:help="http://openoffice.org/2000/help"/>Dim dAlpha as Double</p>
  36.   <p class="PropText"><help:paragraphinfo state="U" number="22" xmlns:help="http://openoffice.org/2000/help"/>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"><help:paragraphinfo state="U" number="23" xmlns:help="http://openoffice.org/2000/help"/>dAlpha = InputBox$ ("Enter the angle Alpha (in degrees): ","Alpha")</p>
  38.   <p class="PropText"><help:paragraphinfo state="U" number="24" xmlns:help="http://openoffice.org/2000/help"/>Print "The length of the hypotenuse is"; (d1 / sin (dAlpha * Pi / 180))</p>
  39.   <p class="PropText"><help:paragraphinfo state="U" number="25" xmlns:help="http://openoffice.org/2000/help"/>End Sub</p>
  40.   <p class="PropText"><help:paragraphinfo state="U" number="26" xmlns:help="http://openoffice.org/2000/help"/></p>
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