TrigonometryHardGraphs of Sine and Cosine ShareGraphs of Sine and Cosine · Hard problemHow many solutions does sin(4x)=12\sin{\left(4 x \right)} = \frac{1}{2}sin(4x)=21 have on [0,2π)[0, 2\pi)[0,2π)?Check Show answer Walk through it step by step Practice more like this Review this concept