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-rw-r--r--doc/context/sources/general/manuals/mathml/wh-g-012.xml27
1 files changed, 27 insertions, 0 deletions
diff --git a/doc/context/sources/general/manuals/mathml/wh-g-012.xml b/doc/context/sources/general/manuals/mathml/wh-g-012.xml
new file mode 100644
index 000000000..55b1be31e
--- /dev/null
+++ b/doc/context/sources/general/manuals/mathml/wh-g-012.xml
@@ -0,0 +1,27 @@
+<math xmlns='http://www.w3c.org/mathml' version='2.0'>
+ <apply> <eq/>
+ <apply> <times/>
+ <cn> 2 </cn>
+ <apply> <cos/>
+ <ci> &alpha; </ci>
+ </apply>
+ <apply> <sin/>
+ <ci> &beta; </ci>
+ </apply>
+ </apply>
+ <apply> <minus/>
+ <apply> <sin/>
+ <apply> <plus/>
+ <ci> &alpha; </ci>
+ <ci> &beta; </ci>
+ </apply>
+ </apply>
+ <apply> <sin/>
+ <apply> <minus/>
+ <ci> &alpha; </ci>
+ <ci> &beta; </ci>
+ </apply>
+ </apply>
+ </apply>
+ </apply>
+</math> \ No newline at end of file