TrigonometryHardTrigonometric Equations ShareTrigonometric Equations · Hard problemFind the sum of all solutions of 4sinxcosxcos2x=14\sin x\cos x\cos 2x = 14sinxcosxcos2x=1 in the interval [0,2π)[0, 2\pi)[0,2π).Check Show answer Walk through it step by step Practice more like this Review this concept