Z-transform involving the unit step function and cosine

Equations > Signal Processing > Z Transform Pairs > Z-transform involving the unit step function and cosine

Latex Code:

MathML Code:

\cos (ω_{o} n + θ) u (n) \Leftrightarrow \frac z [z \cos θ - \cos (ω_{o} - θ)] (z^{2} - 2 z \cos ω_{o} + 1), | z | > 1

MathType 5.0: