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Adding two sinusoids of the same frequency

Adding two sinusoids of the same frequency but with possibly different amplitudes and phases, produces another sinusoid at that frequency.

Figure 14: Adding two sinusoids of the same frequency.
\scalebox{0.85}{\includegraphics{eps/sin_add.eps}}

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``Music 171: Sinusoids'' by Tamara Smyth, Department of Music, University of California, San Diego (UCSD).
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Copyright © 2019-01-08 by Tamara Smyth.
Please email errata, comments, and suggestions to Tamara Smyth<trsmyth@ucsd.edu>