Question: The amount of sunlight in a certain city can be modeled by the function h = 15 cos (1/600 d ), where h represents the

The amount of sunlight in a certain city can be modeled by the function h = 15 cos (1/600^d), where h represents the hours of sunlight, and d is the day of the year. Use the equation to find how many hours of sunlight there are on February 10, the 42^nd day of the year. State the period of the function.

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