

<img class="indented" src="pix/fmeq20.png" alt="sin cos again">


<p>we see that we still have a spectrum symmetric around the carrier, and the amplitude and frequencies 
are just as they were before, but the initial phases of the side bands have changed. Our result is now 
</p>

<!-- LATEX fmeq21: \sin (\omega_{c}t+B\sin \omega_{m}t) = \! \! \sum_{n=-\infty}^{\infty} \! \! J_{n}(B)\sin(\omega_{c} + n\omega_{m})t -->

<img class="indented" src="pix/fmeq21.png" alt="sin sin case">

<p>This is Chowning's ve