An oscilloscope often displays a sawtooth curve. This
Chapter 7, Problem 98(choose chapter or problem)
An oscilloscope often displays a sawtooth curve. This curve can be approximated by sinusoidal curves of varying periods and amplitudes. A first approximation to the sawtooth curve is given by y = 1 2 sin12px2 + 1 4 sin14px2 Show that y = sin12px2 cos2 1px2
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