Change the values of a, b, c
and d one at a time.
- What effect does changing the value of a have on the graph?
- What effect does changing the value of b have on the graph?
- What effect does changing the value of c have on the graph?
- What effect does changing the value of d have on the graph?
Given what you discovered, predict what the graph of
8 cos(2x – 30°) + 7 would look like. What are its amplitude and period?