Calculate the phase angle of the sinusoidal waveform u(t)=154sin(9.85� – McqOptions

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1.	Calculate the phase angle of the sinusoidal waveform u(t)=154sin(9.85πt-π÷89).
A.	-78π÷9
B.	-12π÷5
C.	-π÷89
D.	-2π÷888
Answer» D.

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