Phase difference between two waveforms

Q.  The phase difference between two waveforms in the below figure is given by
- Published on 14 Sep 15
q23.png


a. ∅ = sin -1 Y1 / Y2
b. ∅ = sin -1 Y2 / Y1
c. ∅ = tan -1 Y2 / Y1
d. ∅ = tan -1 Y1 / Y2

ANSWER: ∅ = sin -1 Y1 / Y2

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