helpcontent2/source/text/sbasic/shared/03080102.xhp

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  34 <helpdocument version="1.0">
  35 <meta>
  36 <topic id="textsbasicshared03080102xml" indexer="include" status="PUBLISH">
  37 <title id="tit" xml-lang="en-US">Cos Function [Runtime]</title>
  38 <filename>/text/sbasic/shared/03080102.xhp</filename>
  39 </topic>
  40 <history>
  41 <created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
  42 <lastedited date="2004-08-24T11:09:53">converted from old format - fpe</lastedited>
  43 </history>
  44 </meta>
  45 <body>
  46 <section id="cos">
  47 <bookmark xml-lang="en-US" branch="index" id="bm_id3154923"><bookmark_value>Cos function</bookmark_value>
  48 </bookmark>
  49 <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>
  50 <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>
  51 </section>
  52 <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>
  53 <paragraph role="paragraph" id="par_id3154141" xml-lang="en-US" l10n="U" oldref="4">Cos(Alpha) = Adjacent/Hypotenuse</paragraph>
  54 <paragraph role="heading" id="hd_id3154125" xml-lang="en-US" level="2" l10n="U" oldref="5">Syntax:</paragraph>
  55 <paragraph role="paragraph" id="par_id3145172" xml-lang="en-US" l10n="U" oldref="6">Cos (Number)</paragraph>
  56 <paragraph role="heading" id="hd_id3156214" xml-lang="en-US" level="2" l10n="U" oldref="7">Return value:</paragraph>
  57 <paragraph role="paragraph" id="par_id3150449" xml-lang="en-US" l10n="U" oldref="8">Double</paragraph>
  58 <paragraph role="heading" id="hd_id3153969" xml-lang="en-US" level="2" l10n="U" oldref="9">Parameters:</paragraph>
  59 <paragraph role="paragraph" id="par_id3153770" xml-lang="en-US" l10n="U" oldref="10">
  60 <emph>Number:</emph> Numeric expression that specifies an angle in radians that you want to calculate the cosine for.</paragraph>
  61 <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>
  62 <paragraph role="paragraph" id="par_id3149664" xml-lang="en-US" l10n="U" oldref="12">degree=(radian*180)/pi</paragraph>
  63 <paragraph role="paragraph" id="par_id3146985" xml-lang="en-US" l10n="U" oldref="13">radian=(degree*pi)/180</paragraph>
  64 <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>
  65 <embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
  66 <embed href="text/sbasic/shared/00000003.xhp#err5"/>
  67 <paragraph role="heading" id="hd_id3153951" xml-lang="en-US" level="2" l10n="U" oldref="15">Example:</paragraph>
  68 <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>
  69 <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>
  70 <paragraph role="paragraph" id="par_id3147428" xml-lang="en-US" l10n="U" oldref="18">Sub ExampleCosinus</paragraph>
  71 <paragraph role="paragraph" id="par_id3150010" xml-lang="en-US" l10n="U" oldref="19">REM rounded Pi = 3.14159</paragraph>
  72 <paragraph role="paragraph" id="par_id3149959" xml-lang="en-US" l10n="U" oldref="20">Dim d1 as Double, dAngle as Double</paragraph>
  73 <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>
  74 <paragraph role="paragraph" id="par_id3154491" xml-lang="en-US" l10n="U" oldref="22">dAngle = InputBox$ ("Enter the angle Alpha (in degrees): ","Alpha")</paragraph>
  75 <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>
  76 <paragraph role="paragraph" id="par_id3149583" xml-lang="en-US" l10n="U" oldref="24">End Sub</paragraph>
  77 </body>
  78 </helpdocument>