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Mathematics, 22.07.2019 23:10 lilianjoyful

For a short time after a wave is created by the 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 your work

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