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Physics 15 Online
OpenStudy (anonymous):

Was wondering of anyone could help me with this. The wave equation in 3d and Cartesian coordinated is given by. (dx^2+dy^2-dt^2) Phi =0 1) use separation of variables to find a solution in terms of trigonometric functions in the form. Phi = trig(ax)trig(by)trig((a^2+b^2)^2*t)

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