TrigonometrySuperchallengeGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Superchallenge problemHow many real numbers xxx with 0≤x<2π0\le x<2\pi0≤x<2π satisfy sin(3πcosx)=12\sin\left(3\pi\cos x\right)=\dfrac12sin(3πcosx)=21?Check Show answer Walk through it step by step Practice more like this Review this concept