If f(x) = 4,0 Sx< 2m Find the Fourier sine series of f(x) A) F, = E=12 [(-1)" – 1] sin (*) n%3D1 2 B) F, = E (1- (-1)"] cos () 2%3D1 C) F, = E (-1)" – 1] sin () 8. D) F = E=1 [(-1)" – 1] sin (“*) 727

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Q: If f(x) = 4,0 <x < 2n Find the Fourier sine series of f(x) A) Fes = En=1 [(-1)" – 1] sin () S %3D1 2…

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A: The Fourier series of f(t) over (-L,L) is ;f(t)=a02+∑n=1∞ ancosnπtL+∑n=1∞bnsinnπtLwhere…