Question: Show that F{(x) cos k 0 x} = [F(k - k 0 ) + F(k + k 0 )]/2 and that F{(x) sin k 0

Show that F{ƒ(x) cos k0x} = [F(k - k0) + F(k + k0)]/2 and that F{ƒ(x) sin k0x} = [F(k - k0) - F(k + k0)]/2i.

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