Section 6.6

Phase Shift;

Building Sinusoidal Models

OBJECTIVE 1

Find the amplitude, period and phase shift of

5sin 2 5 and graph the function.y x

Find the amplitude, period and phase shift of

3cos 4 and graph the function.y x

OBJECTIVE 2

Use a graphing utility to find the sine function of best fit that models the data in the Table. Graph this function with the scatter diagram of data.