Question: Q 2 : For the two voltage signals below determine: a ) Phase angle difference between v 1 and v 2 and which one is

Q2: For the two voltage signals below determine:
a) Phase angle difference between v1 and v2 and which one is leading.
b) what is the sum of v1(t)+v2(t)
v1(t)=-5cos(30t+50)
v2(t)=6sin(30t-40)

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