<function name="tan" parent="math" type="libraryfunc"> <description>Returns the of the given angle.</description> <description>Returns the tangent of the given angle.</description> <realm>Shared and Menu</realm> <args> <arg name="value" type="number">Angle in radians</arg> </args> <rets> <ret name="" type="number">The tangent of the given angle.</ret> </rets> </function>