TrigonometryChallengeGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Challenge problemHow many times does the graph of y=2sinπx3+1y=2\sin\dfrac{\pi x}{3}+1y=2sin3πx+1 meet the horizontal line y=2y=2y=2 for 0≤x≤200\le x\le200≤x≤20?Check Show answer Walk through it step by step Practice more like this Review this concept