Yay waves!!!!!!!!!! How about this? Does this work $\mu$? How about this? Does this work $\mu$? How about this? Does this work $\mu$? How about this? Does this work $\mu$? How about this? Does this work $\mu$? How about this? Does this work $\mu$? How about this? Does this work $\mu$? How about this?
This is $\epsilon$. This is $$\int_0^{2\pi}f(x)\ dx.$$