TrigonometryMediumGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Medium problemWhat is the maximum value of y=−3cos(3x−π4)+5y = -3\cos\left(3x - \dfrac{\pi}{4}\right) + 5y=−3cos(3x−4π)+5?Check Show answer Walk through it step by step Practice more like this Review this concept