In New York City at the spring equinox there are 12 hours and 8 minutes of daylight. The longest and shortest days of the year vary by 2 hours 53 minutes from the equinox. In this year, the equinox falls on March 21.

Part A) Identify the independent and depented variables

Part B) Find the amplitude and the period

Part C) Create a trigonomic function that describes the hours of sunlight for each day of the year

Part D) Use the function you built in part C to find out how many fewer daylight hours february 10 will have than march 21