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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
<!--
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* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
-->
<meta>
<topic id="textscalc01func_imcosxml">
<title id="tit" xml-lang="en-US">IMCOS function</title>
<filename>/text/scalc/01/func_imcos.xhp</filename>
</topic>
</meta>
<body>
<section id="func_imcos_function">
<bookmark xml-lang="en-US" branch="hid/SC_HID_AAI_FUNC_IMCOS" id="bm_id22208483221520" localize="false"/>
<bookmark xml-lang="en-US" branch="index" id="bm_id262410558824">
<bookmark_value>IMCOS function</bookmark_value>
<bookmark_value>cosine;complex number</bookmark_value>
</bookmark>
<h2 id="hd_id90361032228870">
<variable id="imcos_head">
<link href="text/scalc/01/func_imcos.xhp">IMCOS</link>
</variable> function
</h2>
<paragraph id="par_id1066273182723" role="paragraph" xml-lang="en-US">
<ahelp hid=".">
<variable id="imcos_des">Returns the cosine of a complex number.</variable> The cosine of a complex number can be expressed by:
</ahelp>
</paragraph>
</section>
<paragraph id="par_id12176138532237" role="paragraph" xml-lang="en-US" localize="false">
<image src="media/helpimg/sc_func_imcos.svg" id="img_id211575078735993" width="452.06109px" height="31.5px"><alt xml-lang="en-US" id="alt_id401575078735994">IMCOS equation</alt></image>
</paragraph>
<embed href="text/scalc/01/ful_func.xhp#func_im_des"/>
<embed href="text/scalc/01/ODFF.xhp#odff"/>
<embed href="text/scalc/01/ful_func.xhp#func_head_syntax"/>
<paragraph id="par_id164021484116762" role="code" xml-lang="en-US">
IMCOS(Complex_number)
</paragraph>
<paragraph id="par_id2890729435632" role="paragraph" xml-lang="en-US">
Complex_number is a complex number whose cosine is to be calculated.
</paragraph>
<note localize="false" id="par_id11756847629133">
<embedvar href="text/scalc/01/ful_func.xhp#func_im_comp_numb"/><br/>
<embedvar href="text/scalc/01/ful_func.xhp#func_im_real_numb"/>
</note>
<warning localize="false" id="par_id2823797012200">
<embedvar href="text/scalc/01/ful_func.xhp#func_im_return_text"/><br/>
<embedvar href="text/scalc/01/ful_func.xhp#func_im_ignor_zero"/>
</warning>
<embed href="text/scalc/01/ful_func.xhp#func_head_example"/>
<paragraph id="par_id4581301219753" role="paragraph" xml-lang="en-US">
<item type="input">=IMCOS("4-3i")</item><br/>
returns -6.58066304055116-7.58155274274654i.
</paragraph>
<paragraph id="par_id25412646522614" role="paragraph" xml-lang="en-US">
<item type="input">=IMCOS(2)</item><br/>
returns -0.416146836547142 as a string. <embedvar href="text/scalc/01/ful_func.xhp#func_imag_zero"/>
</paragraph>
<embed href="text/scalc/06/calcsamplefiles.xhp#imtrigon"/>
<section id="relatedtopics">
<paragraph id="par_id208171544029884" role="paragraph" localize="false" xml-lang="en-US">
<embedvar href="text/scalc/01/func_imcosh.xhp#imcosh_head"/>,
<embedvar href="text/scalc/01/func_imsin.xhp#imsin_head"/>,
<embedvar href="text/scalc/01/func_imsinh.xhp#imsinh_head"/>
</paragraph>
</section>
</body>
</helpdocument>
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