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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 y=2cos1/2(0+30°)-4 Phase shift 30° left, period 720° Phase shift 30° right, period 330° Phase shift 30° rig class=

Answer :

abulkhaiyrtalapov

Answer:

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

And the period 2pi/2

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