Question

position of a particle varies as y=cos^2(omegat)-sin^2(omegat)​

Answer 1

Answer:

$y = {cos}^{2} \omega \: t - {sin}^{2} \omega \: t \\ \\ { \underline{we \: know \: that}} \\ \\ y = a \: sin( \omega \: t + \phi)$