TrigonometryEasyGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Easy problemWhat is the amplitude of y=−2cos(32x−2π3)+4y = -2\cos\left(\dfrac{3}{2}x - \dfrac{2\pi}{3}\right) + 4y=−2cos(23x−32π)+4?Check Show answer Walk through it step by step Practice more like this Review this concept