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Please can you explain the first two steps of the solution of this problem

Please can you explain the first two steps of the solution of this problem

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Grade:12th pass

1 Answers

Khimraj
3007 Points
5 years ago
y2 = 10*(sin3\pi tcos\pi /3 + cos3\pi tsin\pi/3) = 10sin(3\pi t+\pi/3)
y1 = 10sin(3\pi t+ \pi/4)
ratio of amplitude A1/A2 = 10/10 = 1
ratio of phase differance \phi 1/\phi 2 = \pi/4/\pi/3 = ¾
Hope it clears............................

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