Calculate the phase angle of the sinusoidal waveform z(t)=8cos(45t+2� – McqOptions

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1.	Calculate the phase angle of the sinusoidal waveform z(t)=8cos(45t+2π÷15).
A.	2π÷39
B.	2π÷15
C.	π÷4
D.	2π÷44
Answer» C. π÷4

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Calculate the phase angle of the sinusoidal waveform z(t)=8cos(45t+2π÷15).