In Example 1.3.4 we arrived at a model for the length of daylight (in hours) in
Chapter 3, Problem 62(choose chapter or problem)
In Example 1.3.4 we arrived at a model for the length of daylight (in hours) in Philadelphia on the tth day of the year: Lstd 12 1 2.8 sinF 2 365 st 2 80dG Use this model to compare how the number of hours of daylight is increasing in Philadelphia on March 21 and May 21.
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