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aaaa202
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for a wave of this type, for example:
f = cos(x+2y -vt)
What is then the definition of the direction of progation in the x-y plane? Because either way you go in the x-y plane the wave changes.
f = cos(x+2y -vt)
What is then the definition of the direction of progation in the x-y plane? Because either way you go in the x-y plane the wave changes.