No need to add "xOyPlane" for angles with orientation :)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34918 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Perspective "Algebra & 3D Graphics"

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34919 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e