Adding Sinusoids at Different Frequencies

**Figure 1:** Adding 2 sinusoids at different frequencies.
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When adding sinusoids at different frequencies, the resulting signal is no longer sinusoidal.
But is it (the visible wave) periodic?

``Music 175: Spectrum'' by Tamara Smyth, Department of Music, University of California, San Diego (UCSD).

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Copyright © 2020-04-02 by Tamara Smyth.
Please email errata, comments, and suggestions to Tamara Smyth<trsmyth@ucsd.edu>