. Consider the signal x = cos((2π/3)n). The signal is downsampled by a factor of two. Indicate the frequency of the resu

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. Consider the signal x = cos((2π/3)n). The signal is downsampled by a factor of two. Indicate the frequency of the resu

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. Consider the signal x = cos((2π/3)n). The signal is downsampled by a factor of two. Indicate the frequency of the resulting output, normalized by 27. (E.g., if the frequency is π/2, write 1/4)
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