3) Explain whether the functions below are waves or not using the wave equation. a. u(x, y,t) = sin(x – 2t) cos(3y - t) b. u(x, y) = sin(3t) + sin(x/3) cos(3t)

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3) Explain whether the functions below are waves or not using the wave equation.
a. u(x, y, t) = sin(x – 2t) cos(3y - t)
b. u(x, y) = sin(3t) + sin(x/3) cos(3t)
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Transcribed Image Text:3) Explain whether the functions below are waves or not using the wave equation. a. u(x, y, t) = sin(x – 2t) cos(3y - t) b. u(x, y) = sin(3t) + sin(x/3) cos(3t) %3D
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