Question: Fix c > 0. Show that for any constants , , the function u(t, x) = sin(ct + ) sin(x) satisfies the wave equation Ju

Fix c > 0. Show that for any constants α, β, the function u(t, x) = sin(αct + β) sin(αx) satisfies the wave equation

Ju at2 20 2

Ju at2 20 2

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