TrigonometryMediumGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Medium problemWhat is the period of y=−52cos(x)y = -\dfrac{5}{2}\cos\left(x\right)y=−25cos(x)? Give an exact answer in terms of π\piπ.Check Show answer Walk through it step by step Practice more like this Review this concept