For a given location, the daily number of sunlight hours fluctuates throughout the year. Suppose that the number of sunlight hours is given by the following function. Dt = 12+8.3cos (2π/365 t) In this equation,  D(t)  is the number of hours of sunlight in a day, and t is the number of days after June 21st.   Find the following. If necessary, round to the nearest hundredth. Maximum number of hour of sunlight in a day Amplitude of D:   hours of sunlight in a day Time for one full cycle of D:   Days

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