Question: Use Matlab or R to plot a periodic signal made of several sinusoids given by: x ( t ) = -0.3 + 0.1 cos (20p

Use Matlab or R to plot a periodic signal made of several sinusoids given by:

x(t) = -0.3 + 0.1 cos (20pt) + 0.5 cos(40pt + p/5) + 0.7cos(60pt + p/8) + 0.2 cos(80pt + p/3). Use an appropriate time scale. Attach your plot.

How can i write it in MatLab?

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