1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2cdf0e10cSrcweir 3d33d0967SAndrew Rist<!--*********************************************************** 410be1ba9Smseidel * 5d33d0967SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 6d33d0967SAndrew Rist * or more contributor license agreements. See the NOTICE file 7d33d0967SAndrew Rist * distributed with this work for additional information 8d33d0967SAndrew Rist * regarding copyright ownership. The ASF licenses this file 9d33d0967SAndrew Rist * to you under the Apache License, Version 2.0 (the 10d33d0967SAndrew Rist * "License"); you may not use this file except in compliance 11d33d0967SAndrew Rist * with the License. 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The angle is specified in radians. The result lies between -1 and 1.</paragraph> 38cdf0e10cSrcweir</section> 39cdf0e10cSrcweir<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> 40cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154141" xml-lang="en-US" l10n="U" oldref="4">Cos(Alpha) = Adjacent/Hypotenuse</paragraph> 41cdf0e10cSrcweir<paragraph role="heading" id="hd_id3154125" xml-lang="en-US" level="2" l10n="U" oldref="5">Syntax:</paragraph> 42cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145172" xml-lang="en-US" l10n="U" oldref="6">Cos (Number)</paragraph> 43cdf0e10cSrcweir<paragraph role="heading" id="hd_id3156214" xml-lang="en-US" level="2" l10n="U" oldref="7">Return value:</paragraph> 44cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150449" xml-lang="en-US" l10n="U" oldref="8">Double</paragraph> 45cdf0e10cSrcweir<paragraph role="heading" id="hd_id3153969" xml-lang="en-US" level="2" l10n="U" oldref="9">Parameters:</paragraph> 46cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153770" xml-lang="en-US" l10n="U" oldref="10"> 47cdf0e10cSrcweir<emph>Number:</emph> Numeric expression that specifies an angle in radians that you want to calculate the cosine for.</paragraph> 48cdf0e10cSrcweir<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> 49cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149664" xml-lang="en-US" l10n="U" oldref="12">degree=(radian*180)/pi</paragraph> 50cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3146985" xml-lang="en-US" l10n="U" oldref="13">radian=(degree*pi)/180</paragraph> 51cdf0e10cSrcweir<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> 52cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> 53cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#err5"/> 54cdf0e10cSrcweir<paragraph role="heading" id="hd_id3153951" xml-lang="en-US" level="2" l10n="U" oldref="15">Example:</paragraph> 55cdf0e10cSrcweir<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> 56cdf0e10cSrcweir<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> 57cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147428" xml-lang="en-US" l10n="U" oldref="18">Sub ExampleCosinus</paragraph> 58cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150010" xml-lang="en-US" l10n="U" oldref="19">REM rounded Pi = 3.14159</paragraph> 59cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149959" xml-lang="en-US" l10n="U" oldref="20">Dim d1 as Double, dAngle as Double</paragraph> 60cdf0e10cSrcweir<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> 61cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154491" xml-lang="en-US" l10n="U" oldref="22">dAngle = InputBox$ ("Enter the angle Alpha (in degrees): ","Alpha")</paragraph> 62cdf0e10cSrcweir<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> 63cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149583" xml-lang="en-US" l10n="U" oldref="24">End Sub</paragraph> 64cdf0e10cSrcweir</body> 65cdf0e10cSrcweir</helpdocument> 66