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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E31">Th38</font></span>: <a NAME="T38"><span class="comment"><font color="firebrick">:: SIN_COS3:38</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">x</font> being   <a href="xreal_0.html#NM1" title="XREAL_0:NM.1">Real</a> holds  <a href="sin_cos3.html#K1" title="SIN_COS3:func.1">sin_C</a> <a href="partfun1.html#K7" title="PARTFUN1:func.7">/.</a> <font color="Olive" title="b1">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <a href="sin_cos.html#K16" title="SIN_COS:func.16">sin</a> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Olive" title="b1">x</font></div></div>
