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Asked by Stephan pultree

Use compound angle formulae to express Second harmonic i2= sin2t and the the third harmonic i3=sin3t in terms of the first harmonic sint
13 years ago

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Answered by Steve
sin2t = 2 sint cost

sin3t = sint cos2t + cost sin2t
(cos2t = 1 - 2sin^2 t)
13 years ago
Answered by Stephan pultree
Thanks :)
13 years ago
Answered by Stephan pultree
Whats the workings out to get to these answers ? Jw ta
13 years ago

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