What is the spectrum of: x(t) = 10 cos(67 t)+7cos(87t-n/2)+3 cos(16nt+n/2) x(t) = 5 [1/(61) +7(6+1)]...

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What is the spectrum of: x(t) = 10 cos(67 t)+7cos(87t-n/2)+3 cos(16nt+n/2) x(t) = 5 [1/(61) +²7(6+1)] €² 5/1)] +3.5 [1/(81-2/2). te 1-2/2)] +1.5[/(16*1+12/2) + ²/(16*1+12/2)] -j(821-2/2) 44 π x(t)= (cos(,1) co cos(3), t) += cos(5), 1) —— cos( fo Is the fundamental frequency of the square wave cos(7@, t)..... What is the spectrum of: x(t) = 10 cos(67 t)+7cos(87t-n/2)+3 cos(16nt+n/2) x(t) = 5 [1/(61) +²7(6+1)] €² 5/1)] +3.5 [1/(81-2/2). te 1-2/2)] +1.5[/(16*1+12/2) + ²/(16*1+12/2)] -j(821-2/2) 44 π x(t)= (cos(,1) co cos(3), t) += cos(5), 1) —— cos( fo Is the fundamental frequency of the square wave cos(7@, t).....