appB.tex

In this appendix, we compute upper bounds on the moments of random
variables.

\section{Computation of Bounds}
Note that
\begin{equation}
\cos (x) \le 1 - \frac{2}{\pi^2} x^2, \quad |x| \le \pi
\end{equation}

\noindent and

\begin{equation}
\cos (x) \ge 1 -  x^2, \quad |x| \le \pi.
\end{equation}