Question

Me prodrian ayudar a factorizar

Sen³X + Cos³X

Answer 1

$E=\sin^3 x +\cos^3 x\\ \\ E=(\sin x +\cos x)(\sin^2 x -\sin x \cos x+\cos^2 x)\\ \\ E=(\sin x +\cos x)(1-\sin x \cos x)\\ \\ E=(\sin x +\cos x)(1-\frac{1}{2}\sin 2x)$