What are the phase shift and period for the function y=2cos1/2(0+30°)-4
Phase shift 30° left, period 720°
Phase shift 30° right, period 330°
Phase shift 30° right, period 90°
Phase shift 30° left, period 180°
![What are the phase shift and period for the function y2cos120304 Phase shift 30 left period 720 Phase shift 30 right period 330 Phase shift 30 right period 90 P class=](https://us-static.z-dn.net/files/d2a/10f222a3ece97a544f6c0f99eed8ffb2.png)