wh-g-010.xml /size: 764 b    last modification: 2020-07-01 14:35
1<math xmlns='http://www.w3c.org/mathml' version='2.0'>
2  <apply> <eq/>
3    <apply> <minus/>
4      <apply> <cos/>
5        <ci> p </ci>
6      </apply>
7      <apply> <cos/>
8        <ci> q </ci>
9      </apply>
10    </apply>
11    <apply> <minus/>
12      <apply> <times/>
13        <cn> 2 </cn>
14        <apply> <sin/>
15          <apply> <divide/>
16             <apply> <plus/>
17              <ci> p </ci>
18              <ci> q </ci>
19            </apply>
20            <cn> 2 </cn>
21          </apply>
22        </apply>
23        <apply> <sin/>
24          <apply> <divide/>
25            <apply> <minus/>
26              <ci> p </ci>
27              <ci> q </ci>  
28            </apply>
29            <cn> 2 </cn>
30          </apply>
31        </apply>
32      </apply>
33    </apply>
34  </apply>
35</math>