\usepackage[author={W. Trevor King},
            coursetitle={Physics 102},
            classtitle={Recitation Week 1},
            subheading={Chapter 21}]{problempack}
\usepackage[inline]{asymptote}
\usepackage{wtk_cmmds}

\begin{document}

\begin{asydef}
// make wtk_cmmds macros available in Asymptote-rendered environments
usepackage("wtk_cmmds");
\end{asydef}

\maketitle

\input{problem1}
\input{problem2}
\input{problem3}
\input{problem4}
\input{problem5}
\input{problem6}
\input{problem7}
\input{problem8}

\end{document}
