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1. |
What is the expression for the digital frequency when r=1? |
A. | ( frac{1}{T} tan u2061( frac{ T}{2}) ) |
B. | ( frac{2}{T} tan u2061( frac{ T}{2}) ) |
C. | ( frac{1}{T} tan^{-1}( frac{ T}{2}) ) |
D. | ( frac{2}{T} tan^{-1} u2061( frac{ T}{2}) ) |
Answer» E. | |