Demonstrate that the difference equation given in (4.5.52) can be obtained by applying the trigonometric identity, where
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Demonstrate that the difference equation given in (4.5.52) can be obtained by applying the trigonometric identity, where ? = (n + 1) ?0, ? = (n ? 1) ?0, and y(n) = cos ?0n. Thus shown that the sinusoidal signal y (n) = A cos ?0n can be generated from (4.5.52) by using of the initial condition y (- 1) = A cos ?0 and y (-2) = A cos 2 ?0.
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Related Book For 
Digital Signal Processing
ISBN: ?978-0133737622
3rd Edition
Authors: Jonh G. Proakis, Dimitris G.Manolakis
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