TrigonometryMediumGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Medium problemWhat is the maximum value of y=−52cos(32x−π6)y = -\dfrac{5}{2}\cos\left(\dfrac{3}{2}x - \dfrac{\pi}{6}\right)y=−25cos(23x−6π)?Check Show answer Walk through it step by step Practice more like this Review this concept