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Mathematics 8 Online
OpenStudy (anonymous):

I'm trying to create a formula modelling daylight hours in a particular city for a one year period using the form y=d+a sin[b(t-c)]. Would y=11.895+2.545 sin [2pi/366 (t-80.5)] be a correct formula or should I round up 11.895 and 2.545 My math is a bit rusty... (The highest amount of daylight hours is 14.44 and the low is 9.35) A= 1/2 (14.44 - 9.35) = 2.545 D= 1/2 (14.44 + 9.35 = 11.895 B=2pi/366

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