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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E70">Th53</font></span>: <a NAME="T54"><span class="comment"><font color="firebrick">:: SIN_COS:54</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">th</font> being   <a href="xreal_0.html#NM1" title="XREAL_0:NM.1">Real</a>  holds <a href="sin_cos.html#K22" title="SIN_COS:func.22">exp_R</a> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Olive" title="b1">th</font> <a href="xxreal_0.html#NR4" title="XXREAL_0:NR.4">&gt;</a>  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> </div></div>
