Calculate the phase angle of the sinusoidal waveform z(t)=18cos(1546� – McqOptions

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1.	Calculate the phase angle of the sinusoidal waveform z(t)=18cos(1546πt+1900π÷76).
A.	25π÷39
B.	25π÷5
C.	25π÷1
D.	π÷4
Answer» D. π÷4

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