TrigonometryEasyGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Easy problemWhat is the amplitude of y=52cos(32x−π4)−1y = \dfrac{5}{2}\cos\left(\dfrac{3}{2}x - \dfrac{\pi}{4}\right) - 1y=25cos(23x−4π)−1?Check Show answer Walk through it step by step Practice more like this Review this concept