The graph represents the daily maximum angle of elevation of the sun above the horizon for Nordberg, AB. Time (day of year) is on the x-axis and angle of inclination (degrees) is on the y-axis. [2] a) If the angle of elevation is modeled by a sinusoidal equation of the form y=a sin (bx+c)+d, use the graph to determine the following (show any work necessary). d- b- Yes/No (circle one) 50 40 100 150 200 353 b) What are the maximum and minimum elevations of the sun? e) Approximately how many days without sunlight are there in Nordberg? [1] [1]