Question: The blade of a saber saw moves vertically up and down at 18 strokes per second. The vertical displacement y (in cm) is given by

The blade of a saber saw moves vertically up and down at 18 strokes per second. The vertical displacement y (in cm) is given by y = 1.2 sin 36πt, where t is in seconds. Sketch at least two cycles of the graph of y vs. t.

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