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=

Respuesta :

Answer:

The last one is because the phase shift happens to the left.

And the period 2pi/2