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<h1>IMCOS Function</h1>
<p>The <b>IMCOS</b> function is one of the engineering functions. It is used to return the cosine of a complex number.</p>
<p>The <b>IMCOS</b> function syntax is:</p>
<p style="text-indent: 150px;"><b><em>IMCOS(complex-number)</em></b></p>
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<p>where <b><em>complex-number</em></b> is a complex number expressed in x + yi or x + yj form entered manually or included into the cell you make reference to.</p>
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<p>To apply the <b>IMCOS</b> function,</p>
<ol>
<li>select the cell where you wish to display the result,</li>
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<li>click the <b>Insert function</b> <img alt="Insert function icon" src="../images/insertfunction.png" /> icon situated at the top toolbar,
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<br />or right-click within a selected cell and select the <b>Insert Function</b> option from the menu,
<br />or click the <img alt="Function icon" src="../images/function.png" /> icon situated at the formula bar,
</li>
<li>select the <b>Engineering</b> function group from the list,</li>
<li>click the <b>IMCOS</b> function,</li>
<li>enter the required argument,</li>
<li>press the <b>Enter</b> button.</li>
</ol>
<p>The result will be displayed in the selected cell.</p>
<p style="text-indent: 150px;"><img alt="IMCOS Function" src="../images/imcos.png" /></p>
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