rsion of the expansion. 
In general:
</p>

<!-- Gagliardi 2.2.11 -->
<!-- LATEX \cos(\omega_{c}t+B\sin(\omega_{m}t + \theta_{m}) + \phi) = \sum_{k=-\infty}^{\infty}J_{k}(B)\cos((\omega_{c}+k\omega_{m})t + k\theta_{m} + \phi) -->

<img class="indented" src="pix/fmeq22.png" alt="big formula">


<!-- LATEX:
\small
\begin{align*}
& \cos(B \sin x) = J_{0}(B) + 2 \sum_{k=1}^{\infty} J_{2k}(B) \cos 2kx \\
& \cos(B \cos x) = J_{0}(B) + 2 \sum_{k=1}^{\infty} (-1)^{k} J_{2k}(B) \cos 2kx \\
& \sin(B \sin x) = 2 \sum_{