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<b>let </b><font color="Maroon" title="c1">p</font> be  <a href="xreal_0.html#V1" title="XREAL_0:attr.1">real</a>  <a href="ordinal1.html#NM1" title="ORDINAL1:NM.1">number</a> ;<br/>

<a NAME="E1:71"/>
 <a href="sin_cos2.html#K7" title="SIN_COS2:func.7">tanh</a>  <a href="fdiff_1.html#R1" title="FDIFF_1:pred.1">is_differentiable_in</a> <font color="Maroon" title="c1">p</font>
 
<b>by </b><i><a class="txt" href="sin_cos2.html#E61"><i><font color="Green" title="E40">Lm23</font></i></a>, <a class="txt" href="sin_cos2.html#E62"><i><font color="Green" title="E41">Lm24</font></i></a></i>;<br/>
<b>hence </b><a NAME="E2:71"/>
 <a href="sin_cos2.html#K7" title="SIN_COS2:func.7">tanh</a>  <a href="fcont_1.html#R1" title="FCONT_1:pred.1">is_continuous_in</a> <font color="Maroon" title="c1">p</font>
 <b>by </b><i><a class="ref" href="fdiff_1.html#T32" title="FDIFF_1:th.32">FDIFF_1:32</a></i>;<br/>


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