The Sawtooth Curve An oscilloscope often displays a .
Chapter , Problem 9.5.50(choose chapter or problem)
The Sawtooth Curve An oscilloscope often displays a . sawtooth curve. This curve can be approximated by sinusoidal curves of varying periods and amplitudes. (a) Use a graphing utility to graph the following function, which can be used to approximate the sawtooth curve. f(x) = sin(27Tx) + sin(47Tx), O :s:: x :s:: 4 (b) A better approximation to the sawtooth curve is given by f(x) = sin(27Tx) + sin(47Tx) + sin(87Tx) Use a graphing utility to graph this function for o :s:: x :s:: 4 and compare the result to the graph obtained in part (a). (c) A third and even better approximation to the sawtooth curve is given by f(x) = sin(27Tx) + sin(47Tx) + sin(87Tx) + 6 sin(167Tx) Use a graphing utility to graph this function foro :s:: x :s:: 4 and compare the result to the graphs obtained in parts (a) and (b). (d) What do you think the next approximation to the sawtooth curve is?
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