TrigonometryMediumSum, Difference, and Multiple-Angle Formulas ShareSum, Difference, and Multiple-Angle Formulas · Medium problemExpress sin2xcos2x\sin^2 x\cos^2 xsin2xcos2x in terms of a first power of cosine.A1−cos4x9\dfrac{1-\cos 4x}{9}91−cos4xB81−cos4x\dfrac{8}{1-\cos 4x}1−cos4x8C1−cos4x8\dfrac{1-\cos 4x}{8}81−cos4xD2−cos4x8\dfrac{2-\cos 4x}{8}82−cos4xCheck Show answer Walk through it step by step Practice more like this Review this concept