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Find the simpli?ed expression for x[n] where x[n] = cos(0.6?n+ ?/6 )+?3cos(1.4?n+ ?/3 )?2cos(0.6?n? ?/6 )....

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Electrical Engineering

Find the simpli?ed expression for x[n] where x[n] = cos(0.6?n+?/6 )+?3cos(1.4?n+ ?/3 )?2cos(0.6?n? ?/6 ). ?

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