<function name="sin" parent="math" type="libraryfunc"> <description>Returns the sine of given angle.</description> <description>Returns the [sine](https://en.wikipedia.org/wiki/Trigonometric_functions) of given angle.</description> <realm>Shared and Menu</realm> <args> <arg name="number" type="number">Angle in radians</arg> </args> <rets> <ret name="" type="number">Sine for given angle</ret> </rets> </function>