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Circadian rhythms are the daily fluctuations in bodily functions driven by the light/dark cycle of the Earth, including variations in body temperature. Suppose infant body temperature reaches its lowest value of 37 .C at 6am, and its highest value of 38 .C at 6pm. (a) Construct a sinusoidal function B(t) that models infant body temperature in C at time t, where t is measured in hours and t = 0 corresponds to 12am (midnight). . (b) According to this model, What is the body temperature at 2pm? (c) When is the first time after 12am that the body temperature reaches 37.25 .C