Use the QRT to explain what ' 35 mod 4' means. There exists a unique integer r such that 3514 There exists a unique integer q such that 35= 4*q+ 3 There exists a unique integer r such that 35= 4* 8+ r There exists a unique integer q such that 4q is approximately 35.

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Q: Find the Fourier cosine integral representation of the following: f(t) = {to, 0 < t < 1 elsewhere

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