forked from amazingfate/help
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Change-Id: Idd6f14e127ba5e3939849b0baf7ec499e69e8695 Reviewed-on: https://gerrit.libreoffice.org/10517 Reviewed-by: Caolán McNamara <caolanm@redhat.com> Tested-by: Caolán McNamara <caolanm@redhat.com>
72 lines
5.2 KiB
XML
72 lines
5.2 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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-->
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<helpdocument version="1.0">
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<meta>
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<topic id="textsbasicshared03080104xml" indexer="include" status="PUBLISH">
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<title id="tit" xml-lang="en-US">Tan Function [Runtime]</title>
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<filename>/text/sbasic/shared/03080104.xhp</filename>
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</topic>
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<history>
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<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
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<lastedited date="2006-12-15T09:15:53">converted from old format - fpe</lastedited>
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</history>
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</meta>
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<body>
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<section id="tan">
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<bookmark xml-lang="en-US" branch="index" id="bm_id3148550"><bookmark_value>Tan function</bookmark_value>
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</bookmark>
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<paragraph role="heading" id="hd_id3148550" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03080104.xhp" name="Tan Function [Runtime]">Tan Function [Runtime]</link></paragraph>
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<paragraph role="paragraph" id="par_id3148663" xml-lang="en-US" l10n="CHG" oldref="2">Determines the tangent of an angle. The angle is specified in radians.<comment>i71396</comment></paragraph>
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</section>
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<paragraph role="paragraph" id="par_id3153379" xml-lang="en-US" l10n="U" oldref="3">Using the angle Alpha, the Tan Function calculates the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle in a right-angled triangle.</paragraph>
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<paragraph role="paragraph" id="par_id3154366" xml-lang="en-US" l10n="U" oldref="4">Tan(Alpha) = side opposite the angle/side adjacent to angle</paragraph>
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<paragraph role="heading" id="hd_id3145174" xml-lang="en-US" level="2" l10n="U" oldref="5">Syntax:</paragraph>
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<bascode>
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<paragraph role="bascode" id="par_id3151042" xml-lang="en-US" oldref="6">Tan (Number)</paragraph>
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</bascode>
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<paragraph role="heading" id="hd_id3156214" xml-lang="en-US" level="2" l10n="U" oldref="7">Return value:</paragraph>
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<paragraph role="paragraph" id="par_id3156281" xml-lang="en-US" l10n="U" oldref="8">Double</paragraph>
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<paragraph role="heading" id="hd_id3155132" xml-lang="en-US" level="2" l10n="U" oldref="9">Parameters:</paragraph>
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<paragraph role="paragraph" id="par_id3145786" xml-lang="en-US" l10n="U" oldref="10">
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<emph>Number:</emph> Any numeric expression that you want to calculate the tangent for (in radians).</paragraph>
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<paragraph role="paragraph" id="par_id3153728" xml-lang="en-US" l10n="U" oldref="11">To convert degrees to radians, multiply by Pi/180. To convert radians to degrees, multiply by 180/Pi.</paragraph>
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<paragraph role="paragraph" id="par_id3155414" xml-lang="en-US" l10n="CHG" oldref="12">degrees=(radiant*180)/Pi</paragraph>
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<paragraph role="paragraph" id="par_id3146975" xml-lang="en-US" l10n="CHG" oldref="13">radiant=(degrees*Pi)/180</paragraph>
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<paragraph role="paragraph" id="par_id3147434" xml-lang="en-US" l10n="U" oldref="14">Pi is approximately 3.141593.</paragraph>
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<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
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<embed href="text/sbasic/shared/00000003.xhp#err5"/>
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<paragraph role="heading" id="hd_id3149483" xml-lang="en-US" level="2" l10n="U" oldref="15">Example:</paragraph>
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<bascode>
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<paragraph role="bascode" id="par_id3148646" xml-lang="en-US" l10n="U" oldref="16">' In this example, the following entry is possible for a right-angled triangle:</paragraph>
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<paragraph role="bascode" id="par_id3150012" xml-lang="en-US" l10n="U" oldref="17">' The side opposite the angle and the angle (in degrees) to calculate the length of the side adjacent to the angle:</paragraph>
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<paragraph role="bascode" localize="false" xml-lang="en-US">Sub ExampleTangens</paragraph>
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<paragraph role="bascode" id="par_id3153158" xml-lang="en-US" l10n="U" oldref="19">' Pi = 3.1415926 is a pre-defined variable</paragraph>
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<paragraph role="bascode" localize="false" xml-lang="en-US">Dim d1 As Double</paragraph>
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<paragraph role="bascode" localize="false" xml-lang="en-US">Dim dAlpha As Double</paragraph>
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<paragraph role="bascode" id="par_id3145252" xml-lang="en-US" l10n="U" oldref="22"> d1 = InputBox("Enter the length of the side opposite the angle: ","opposite")</paragraph>
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<paragraph role="bascode" id="par_id3149582" xml-lang="en-US" l10n="U" oldref="23"> dAlpha = InputBox("Enter the Alpha angle (in degrees): ","Alpha")</paragraph>
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<paragraph role="bascode" id="par_id3154016" xml-lang="en-US" l10n="U" oldref="24"> Print "the length of the side adjacent the angle is"; (d1 / tan (dAlpha * Pi / 180))</paragraph>
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<paragraph role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
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</bascode>
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</body>
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</helpdocument>
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