="mi">1_idef</span><span class="p">,</span><span class="n">pchunk</span>
     <span class="n">cP</span><span class="p">(</span><span class="n">cc</span><span class="p">)</span><span class="o">=</span><span class="nb">cos</span><span class="p">(</span><span class="n">Y_PHI</span><span class="p">(</span><span class="n">cc</span><span class="p">))</span>
     <span class="n">sP</span><span class="p">(</span><span class="n">cc</span><span class="p">)</span><span class="o">=</span><span class="nb">sin</span><spa