CPM Homework Help : PC3 Problem 3-82

Write one equation in terms of sine and one equation in terms of cosine for the graph shown at right.

Periodic curve, x axis scaled from negative 2 pi to 2 pi, with 4 visible turning points, at (negative 3 halves pi, comma negative 2), (negative 1 half pi, comma 4), (1 half pi, comma negative 2), & (3 halves pi, comma 4).

Hint 1:

Where is the midline of the curve? This is the vertical shift of the function.

Hint Answer 1:

More Help:

What is the amplitude?