Posted by **CJ** on Friday, January 14, 2011 at 11:00am.

The average temperature, in °F, for Atlanta, GA is modeled by the sinusoidal function

y = 18.25 sin(pi/6 t - 2.09) + 61.15

where t is the time in months and January is t = 1.

What is the average temperature for the month of February?

How do I do this problem ?

Please Help

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