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 )....

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 ). ?

Solutions

Expert Solution

since sin(npi) = 0 for all values of n, x(n)= 0.

Manojponduru answered 1 year ago

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