ss="mi">30</span><span class="p">)</span><span class="o">*</span><span class="n">np</span><span class="o">.</span><span class="n">pi</span><span class="o">/</span><span class="mi">180</span><span class="p">)</span> <span class="o">+</span> <span class="mf">0.24</span><span class="o">*</span><span class="n">np</span><span class="o">.</span><span class="n">cos</span><span class="p">(</span><span class="mi">2</span><span class="o">*</span><span class="n">hp</span><span class="o">*</span><span class="n">np</spa