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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
<!--
* This file is part of the LibreOffice project.
*
* 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_imsinxml">
<title id="tit" xml-lang="en-US">IMSIN function</title>
<filename>text/scalc/01/func_imsin.xhp</filename>
</topic>
</meta>
<body>
<section id="imsin_function">
<bookmark xml-lang="en-US" branch="hid/SC_HID_AAI_FUNC_IMSIN" id="bm_id146733115823392" localize="false"/>
<bookmark xml-lang="en-US" branch="index" id="bm_id79322063230162">
<bookmark_value>IMSIN function</bookmark_value>
<bookmark_value>sine;complex number</bookmark_value>
</bookmark>
<paragraph id="hd_id3192388765304" role="heading" level="2" xml-lang="en-US">
<variable id="imsin_head">
<link href="text/scalc/01/func_imsin.xhp">IMSIN</link>
</variable> function
</paragraph>
<paragraph id="par_id1955633330277" role="paragraph" xml-lang="en-US">
<ahelp hid=".">
<variable id="imsin_des">Returns the sine of a complex number. </variable> The the sine of a complex number can be expressed by:
</ahelp>
</paragraph>
</section>
<paragraph id="par_id3189460120934" role="code" xml-lang="en-US">
sin(a+bi)=sin(a)cosh(b)+cos(a)sinh(b)i
</paragraph>
<embedvar href="text/scalc/01/ful_func.xhp#func_im_des"/>
<embed href="text/scalc/01/ODFF.xhp#odff"/>
<embedvar href="text/scalc/01/ful_func.xhp#func_head_syntax"/>
<paragraph id="par_id284611113926520" role="code" xml-lang="en-US">
<variable id="imsin">IMSIN</variable>(Complex_number)
</paragraph>
<paragraph id="par_id31206835928272" role="paragraph" xml-lang="en-US">
<embedvar href="text/scalc/01/ful_func.xhp#func_define_complex"/> whose sine needs to be calculated.
</paragraph>
<paragraph id="par_id100182106819457" role="note" localize="false" xml-lang="en-US">
<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"/>
</paragraph>
<paragraph id="par_id7175173509788" role="warning" localize="false" xml-lang="en-US">
<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"/>
</paragraph>
<embedvar href="text/scalc/01/ful_func.xhp#func_head_example"/>
<paragraph id="par_id5063188419467" role="paragraph" xml-lang="en-US">
<item type="input">
=<embedvar href="text/scalc/01/func_imsin.xhp#imsin"/>("4-3i")
</item><br/>
returns -7.61923172032141+6.548120040911i.
</paragraph>
<paragraph id="par_id1527387141125" role="paragraph" xml-lang="en-US">
<item type="input">
=<embedvar href="text/scalc/01/func_imsin.xhp#imsin"/>(2)
</item><br/>
returns 0.909297426825682 as a string. <embedvar href="text/scalc/01/ful_func.xhp#func_imag_zero"/>
</paragraph>
<section id="relatedtopics">
<paragraph id="par_id2773214341302" role="paragraph" localize="false" xml-lang="en-US">
<embedvar href="text/scalc/01/func_imsinh.xhp#imsinh_head"/>,
<embedvar href="text/scalc/01/func_imcos.xhp#imcos_head"/>,
<embedvar href="text/scalc/01/func_imcosh.xhp#imcosh_head"/>
</paragraph>
</section>
</body>
</helpdocument>
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