your equation is in the form
where d = day number and T is time of sunrise
you can use the points (172,9:17) & (355,4:35)
do you have any other information?
in prince albert,the sun rises at 9:17 on december 21 and 4:35 on june 22. because there is no daylight savings time,the time the sun rises on any other date can be predicted from a sinusoidal graph with a period of 365 days.
write an equation that relates to the time the sun rises to the day of the year,and remember to show your work