Trigonometry - Fourier Transform

The Fourier transform decomposes a function of time (e.g., a periodic signal) into the frequencies that make it up, similarly to how a musical chord can be expressed as the amplitude (or loudness) of its constituent notes.

With Fourier tranforms, you are able to create any waveform out of other combined waveforms.

• frequency $\frac{1}{P}$

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