IB Math A&I Name: P2: Over the course of a single December If t is the number of hours since day in Limassol, Cyprus, the highest midnight, the temperature T may temperature was found to be 22C. The be modelled by the equation lowest temperature was 12 C, which T = Asin (B(t - C)) + D. occurred at 03.00am a Find the values of A, B, C and D. (9 marks) b Hence, by using technology, find for how many hours the daily temperature was above 20c. (4 marks)