amplitude = (max-min)/2
center line = (max+min)/2
period is 365 days
Figure the Julian day for June 21, and start your cosine function there.
In 2001, Windsor, Ontario will receive its maximum amount of sunlight, 15.28 hrs, on June 21, and its least amount of sunlight, 9.08 hrs, on December 21.
Due to the earth's revolution about the sun, the hours of daylight function is periodic. Determine an equation that can model the hours of daylight function for Windsor, Ontario.
1 answer