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13=-2sin ( 2π /365 (t-5.5))+14.8
What does the least positive solution for the last equation represent?
Choose 1 answer:
A. The first day of the year when the average wind speed is 13 km/h
B. The set of all days of the year when the average wind speed is 13 km/h
C. The average wind speed on the 13^(th) day of the year
D. The day of the year with the minimum average wind speed



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