A carrier s$($t$)=100$cos$(2\backslash$pi $\backslash$times $10^(9)$t$)$ of an FM transmitter is modulated with a tone signal. For

this transmitter, a $1-$V $($RMS$)$ tone produces a deviation of $30$ kHz $.$ Determine the amplitude and

frequency of all FM signal components $($spectral lines$)$ that are greater than $1\%$ of the unmod$-$

ulated carrier amplitude for the following modulating signals:

$($a$)$ m$($t$)=2\mathrm{.}5$cos$(3\backslash$pi $\backslash$times $10^(4)$t$).$

$($b$)$ m$($t$)=1$cos$(6\backslash$pi $\backslash$times $10^(4)$t$)$