Name 6-4 Additional Practice Graphing Sine and Cosine Functions Identify the domain. range. and period of the functions below. 1.y=4c0536 2. y=sin9 W! Domain: Range: Period: What are the amplitude and period of each function? 3.y=4sin5i9 4. y=3cos46 Use a graphing calculator to graph the functions shown. What is the frequency? What is the average rate of change over the interval [0, ? 5.y=35in6i9 6. y=5c0526 Frequency: Frequency: Average rate of change: Average rate of change: 7. A helicopter lowers a rope ladder to a scuba diver floating on the ocean's surface. The waves crest at 4 ft above the lowest level of the water every 8 5. Write a cosine equation to describe the height of the diver as a function of time 1'. What equation represents the graphs? 10. Describe and correct the error a student made in creating an equation with the given information: y = 2 sin 49, a period of 41:, and amplitude of 2