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<helpdocument version="1.0">
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<meta>
<topic id="textscalc01func_imcoshxml" indexer="include" status="PUBLISH">
<title id="tit" xml-lang="en-US">IMCOSH function</title>
<filename>/text/scalc/01/func_imcosh.xhp</filename>
</topic>
</meta>
<body>
<section id="func_imcosh_function">
<bookmark xml-lang="en-US" branch="hid/SC_HID_AAI_FUNC_IMCOSH" id="bm_id123221232212322" localize="false"/>
<bookmark xml-lang="en-US" branch="index" id="bm_id123771237712377">
<bookmark_value>IMCOSH function</bookmark_value>
<bookmark_value>hyperbolic cosine;complex number</bookmark_value>
</bookmark>
<h1 id="hd_id124691246912469">
<variable id="imcosh_head">
<link href="text/scalc/01/func_imcosh.xhp">IMCOSH</link>
</variable> function
</h1>
<paragraph id="par_id125881258812588" role="paragraph" xml-lang="en-US">
<ahelp hid=".">
<variable id="imcosh_des">Returns the hyperbolic cosine of a complex number.</variable> The hyperbolic cosine of a complex number can be expressed by:
</ahelp>
</paragraph>
</section>
<paragraph id="par_id24939266285933" role="paragraph" xml-lang="en-US">
<image src="media/helpimg/sc_func_imcosh.svg" id="img_id211575078735993" width="464.56109px" height="31.5px"><alt xml-lang="en-US" id="alt_id401575078735994">IMCOSH 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/00/avail_release.xhp#3.6"/>
<embed href="text/scalc/01/ful_func.xhp#func_head_syntax"/>
<paragraph id="par_id16051131322110" role="code" xml-lang="en-US">
IMCOSH(Complex_number)
</paragraph>
<paragraph id="par_id766137661376613" role="paragraph" xml-lang="en-US">
Complex_number is a complex number whose hyperbolic cosine is to be calculated.
</paragraph>
<note localize="false" id="par_id193292656220842">
<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_id24300832426190">
<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_id55891471962" role="paragraph" xml-lang="en-US">
<item type="input">=IMCOSH("4-3i")</item><br/>
returns -27.0349456030742-3.85115333481178i.
</paragraph>
<paragraph id="par_id152561887112896" role="paragraph" xml-lang="en-US">
<item type="input">=IMCOSH(2)</item><br/>
returns 3.76219569108363 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">
<tip id="par_id331677015717191"><link href="https://wiki.documentfoundation.org/Documentation/Calc_Functions/IMCOSH">IMCOSH wiki page</link>.</tip>
<paragraph id="par_id127621276212762" role="paragraph" localize="false" xml-lang="en-US">
<embedvar href="text/scalc/01/func_imcos.xhp#imcos_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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