TrigonometryMediumGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Medium problemWhat is the minimum value of y=52cos(32x+π2)y = \dfrac{5}{2}\cos\left(\dfrac{3}{2}x + \dfrac{\pi}{2}\right)y=25cos(23x+2π)?Check Show answer Walk through it step by step Practice more like this Review this concept