<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon">c<sub>1</sub></font> be  <a href="xreal_0.html#V1">real</a>  <a href="ordinal1.html#NM1" target="_self">number</a> ;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font> be   <a href="rat_1.html#NM1">Rational</a>;<br/>



<a NAME="E1:11"/>
 <a href="sin_cos.html#K28">exp_R</a> <font color="Maroon">c<sub>1</sub></font> <a href="xxreal_0.html#NR4" target="_self">&gt;</a> 0
 
<b>by </b><i><a class="ref" href="sin_cos.html#T60">SIN_COS:60</a></i>;<br/>
<b>hence </b><span class="p1">(<span class="default"><a href="sin_cos.html#K28">exp_R</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="prepower.html#K8">#Q</a> <font color="Maroon">c<sub>2</sub></font> = 
<span class="p1">(<span class="default"><a href="sin_cos.html#K28">exp_R</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="prepower.html#K12">#R</a> <font color="Maroon">c<sub>2</sub></font>
<b>by </b><i><a class="ref" href="prepower.html#T88">PREPOWER:88</a></i>
<br/>.= 
 <a href="sin_cos.html#K28">exp_R</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="xcmplx_0.html#K3">*</a> <font color="Maroon">c<sub>1</sub></font></span>)</span>
<b>by </b><i><a class="txt" href="taylor_1.html#E10"><i><font color="Green">Lemma9</font></i></a></i>
;<br/><br/>


</div>
