How might one go about calculating the time average of the product of two identical waves with different phases? For example, what would be the time average of:
$$ \cos(k x-w t) \cdot \cos(kx-wt+a) $$
and how would you get it? Thanks!
How might one go about calculating the time average of the product of two identical waves with different phases? For example, what would be the time average of:
$$ \cos(k x-w t) \cdot \cos(kx-wt+a) $$
and how would you get it? Thanks!