In Sumter, the highest temperature rises up to 40 degrees Celcius on May 2nd. The lowest temperature drops below -30 degrees Celcius on December 31st. Temperature on other dates can be predicted using a sinusoidal equation.
a) Sketch the graph of the sinusoidal function described above.
b) Write 2 equations for the function; one using sine the other cosine.
c) Use one of the equations in (b) to predict the temperature on April 21st.
d) What is the average temperature throughour the year?
e) On what day will the temperature be at 13 oC?