TrigonometryEasySum, Difference, and Multiple-Angle Formulas ShareSum, Difference, and Multiple-Angle Formulas · Easy problemSimplify 2sin3xcos3x2\sin 3x\cos 3x2sin3xcos3x to a single function.Asin7x\sin 7xsin7xBsin12x\sin 12xsin12xCsin6x\sin 6xsin6xD−sin6x-\sin 6x−sin6xCheck Show answer Walk through it step by step Practice more like this Review this concept