Question: Given two waves characterized by does y1 (t) = 3 cos wt, y2 (t) = 3 sin (wt +36o) does y2 (t) lead or lag

Given two waves characterized by does y1 (t) = 3 cos wt, y2 (t) = 3 sin (wt +36o) does y2 (t) lead or lag y1 (t), and by what phase angle?

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