Cecil Moore wrote:

Sorry Jim, but [Io*cos(kx)*cos(wt)] and [Io*cos(kx+wt)] *ARE*
different.

Evidently, you can't recognize a trig identity when you see one.

If you don't know enough math to realize that by
looking at the equations, please go alleviate your ignorance.

Sorry, my native tongue is Texan. :-)

Your tongue may be Texan, but the rest of you is pure arsehole. :-)

ac6xg