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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/.
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<meta>
<topic id="textscalc01func_imsecxml">
<title id="tit" xml-lang="en-US">IMSEC function</title>
<filename>/text/scalc/01/func_imsec.xhp</filename>
</topic>
</meta>
<body>
<section id="imsec_function">
<bookmark xml-lang="en-US" branch="hid/SC_HID_AAI_FUNC_IMSEC" id="bm_id2198429192250" localize="false"/>
<bookmark xml-lang="en-US" branch="index" id="bm_id101862404332680">
<bookmark_value>IMSEC function</bookmark_value>
<bookmark_value>secant;complex number</bookmark_value>
</bookmark>
<h2 id="hd_id29384186273495">
<variable id="imsec_head">
<link href="text/scalc/01/func_imsec.xhp">IMSEC</link>
</variable> function
</h2>
<paragraph id="par_id23292284928998" role="paragraph" xml-lang="en-US">
<ahelp hid=".">
<variable id="imsec_des">Returns the secant of a complex number. </variable> The secant of a complex number can be expressed by:
</ahelp>
</paragraph>
</section>
<paragraph id="par_id17543461310594" role="code" xml-lang="en-US">
<image src="media/helpimg/sc_func_imsec.svg" id="img_id211575078735993" width="599.10275px" height="54.962498px"><alt xml-lang="en-US" id="alt_id401575078735994">IMSEC 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_id66061624115094" role="code" xml-lang="en-US">
IMSEC(Complex_number)
</paragraph>
<paragraph id="par_id3186739645701" role="paragraph" xml-lang="en-US">
Complex_number is a complex number whose secant needs to be calculated.
</paragraph>
<note localize="false" id="par_id155152794716613">
<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_id18462725520384">
<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_id16814232201137" role="paragraph" xml-lang="en-US">
<item type="input">=IMSEC("4-3i")</item><br/>
returns -0.0652940278579471+0.0752249603027732i.
</paragraph>
<paragraph id="par_id2395211576789" role="paragraph" xml-lang="en-US">
<item type="input">=IMSEC(2)</item><br/>
returns -2.40299796172238 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_id57381738213791" role="paragraph" localize="false" xml-lang="en-US">
<embedvar href="text/scalc/01/func_imcsc.xhp#imcsc_head"/>,
<embedvar href="text/scalc/01/func_imcsch.xhp#imcsch_head"/>,
<embedvar href="text/scalc/01/func_imsech.xhp#imsech_head"/>
</paragraph>
</section>
</body>
</helpdocument>
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