\subsection{sin}
\label{labsin}
\noindent Name: \textbf{sin}\\
\phantom{aaa}the sine function.\\[0.2cm]
\noindent Library names:\\
\verb|   sollya_obj_t sollya_lib_sin(sollya_obj_t)|\\
\verb|   sollya_obj_t sollya_lib_build_function_sin(sollya_obj_t)|\\
\verb|   #define SOLLYA_SIN(x) sollya_lib_build_function_sin(x)|\\[0.2cm]
\noindent Description: \begin{itemize}

\item \textbf{sin} is the usual sine function.

\item It is defined for every real number $x$.
\end{itemize}
See also: \textbf{asin} (\ref{labasin}), \textbf{cos} (\ref{labcos}), \textbf{tan} (\ref{labtan})
