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An office building has a thermostat that keeps the temperature between 20and 26degrees Celsius for 24hours a day. As the heating and cooling units alternate, the temperature starting from midnight is given by

T(t)=20sin3π3xcos3π3x+22.5

as shown in the figure. Find the average temperature in the office building between the hours of 9am and 5pm.

Short Answer

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Introduction.

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Explanation.

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