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<div><span class="kw">theorem </span><a NAME="T40"><span class="comment"><font color="firebrick">:: COMPTRIG:40</font></span><br/></a><div class="add"> <a href="comptrig.html#K1" title="COMPTRIG:func.1">Arg</a> <a href="complex1.html#K7" title="COMPLEX1:func.7">&lt;i&gt;</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <a href="sin_cos.html#K28" title="SIN_COS:func.28">PI</a> <a href="xcmplx_0.html#K7" title="XCMPLX_0:func.7">/</a> 2</div></div>
