Determine which waveform in each of the following pairs is lagging: (a) cos 4t, sin 4t;
Chapter 10, Problem 5(choose chapter or problem)
Determine which waveform in each of the following pairs is lagging: (a) cos 4t, sin 4t; (b) \(cos\ (4t - 80^{\circ})\), cos (4t); (c) \(cos\ (4t + 80^{\circ})\), cos 4t; (d) \(-\sin 5 t, \cos\left(5 t+2^{\circ}\right)\); (e) \(sin\ 5t + cos\ 5t,\ cos\ (5t - 45^{\circ})\).
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