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Ql. The following signal is sairqded at .H7. and no alioing happens. Answer the following by showing all the calculations. x(t)= 10 sin(2001rt + tr/2) + 15 cos + 7 sin(5001rt + zr) (a) What should be the possible values of to (in rad/s)?

(b) What is the sampling interval (in ms)?

(c) What should bc thc cut-off frequency (in Hz) of the LPF to recover the continuous time sign. from its sampkd version,

(d) now,many samples will be there in 0.5 s?

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(e) What will be the Nyquist rate it rad/s)?

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