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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E24">Th30</font></span>: <a NAME="T30"><span class="comment"><font color="firebrick">:: SIN_COS2:30</font></span><br/></a><div class="add">(  <a href="relset_1.html#K1" title="RELSET_1:func.1">dom</a> <a href="sin_cos2.html#K1" title="SIN_COS2:func.1">sinh</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  &amp;  <a href="relset_1.html#K1" title="RELSET_1:func.1">dom</a> <a href="sin_cos2.html#K3" title="SIN_COS2:func.3">cosh</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  &amp;  <a href="relset_1.html#K1" title="RELSET_1:func.1">dom</a> <a href="sin_cos2.html#K5" title="SIN_COS2:func.5">tanh</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  ) <span class="kw">by</span> <span class="lab"><a class="ref" href="funct_2.html#D1" onmouseover="rs('funct_2/D1')" onmouseout="rh()">FUNCT_2:def 1</a></span>;<br/></div></div>
