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When tuning a piano, a technician strikes a tuning fork for the A above middle C and sets up a wave motion that can be

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When tuning a piano, a technician strikes a tuning fork for the A above middle C and sets up a wave motion that can be approximated by y = 0.001 sin(880?t), where t is the time (in seconds(a) What is the period p of the function?sec(b) The frequency f is given by f =1/pcycles per secondWhat is the frequency of the note?

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