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Post Closed as "not a real question" by Steve Huntsman, Robin Chapman, Yemon Choi, Harald Hanche-Olsen, Andrey Rekalo
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edited title
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Why do we use sine and cosine if in fourier transform together? |
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Why do we use sine and cosine if fourier transform together?I think it is possible to use only cosine function, but why the formula is used with sine? I am trying to understand but don't know what to do after Fourier transform with imaginary part and real part.
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