bₙ = (2/T)∫[0 to T] f(t)sin(2πnt/T)dt
Calculate the Fourier sine coefficient bₙ of a square wave with amplitude A (4A/nπ for odd n, 0 for even n)
L{f(t)} = ∫[0 to ∞] f(t)e^(-st)dt
Calculate Laplace transform of e^(at): L{e^(at)} = 1/(s-a)
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