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Mathematics, 02.07.2019 02:20 jetblackcap

(need asap due thursday)
for a short time after a wave is created by wind, the height of the wave can be modeled using y=a sin 2pi t/t, where a is the amplitude and t is the period of the wave in seconds. how many times over the first 5 seconds does the graph predict the wave to be 2 feet high? (show work)

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