g them into our first expansion of the FM 
formula, and out pops:
</p>


<!-- LATEX
\Large
\begin{eqnarray*}
\lefteqn{ \cos(\omega_{c}t + B\sin\omega_{m}t) } \\
&& {} =J_{0}(B)\cos \omega_{c}t \\
&& {} -J_{1}(B)(\cos(\omega_{c} - \omega_{m})t - \cos(\omega_{c} + \omega_{m})t) \\
&& {} +J_{2}(B)(\cos(\omega_{c} - 2\omega_{m})t + \cos(\omega_{c} + 2\omega_{m})t) \\
&& {} -J_{3}(B)(\cos(\omega_{c} - 3\omega_{m})t - \cos(\omega_{c} + 3\omega_{m})t) + \cdots
\end{eqnarray*}
-->

<img class="indented" src="pix/fm