TrigonometryMediumGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Medium problemWhat is the maximum value of y=−32cos(x+π2)+1y = -\dfrac{3}{2}\cos\left(x + \dfrac{\pi}{2}\right) + 1y=−23cos(x+2π)+1?Check Show answer Walk through it step by step Practice more like this Review this concept