TrigonometryEasyGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Easy problemGive the equation of the midline of y=3cos(4x−π2)+4y = 3\cos\left(4x - \dfrac{\pi}{2}\right) + 4y=3cos(4x−2π)+4.Check Show answer Walk through it step by step Practice more like this Review this concept