TrigonometryMediumGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Medium problemState the range of y=−sin(12x−π2)+1y = -\sin\left(\dfrac{1}{2}x - \dfrac{\pi}{2}\right) + 1y=−sin(21x−2π)+1 in interval notation.Check Show answer Walk through it step by step Practice more like this Review this concept