Question: Graph the sinusoidal function. You must 21) y = -2 cos (7(X) + 7 + + + X -2+ y = A cos(WX) | A

Graph the sinusoidal function. You must 21) y = -2 cos (7(X) + 7 + + + X -2+ y = A cos(WX) | A | = W = T = 2pi/ w = ( New Period) T/4 = _ (Change) Key Points: (0
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