2 1 -517/2 -2 - 317/2 -1/2 TT/2 TT 3ry2 51/ -1 -2 It is often the case that more than one sinusoidal function can be used to model the movement of a periodic function. Examine the periodic function given below and determine an equation. Once you REE 2 1 -517/2 -2 - 317/2 -1/2 TT/2 TT 3ry2 51/ -1 -2 It is often the case that more than one sinusoidal function can be used to model the movement of a periodic function. Examine the periodic function given below and determine an equation. Once you REE