Question

derivada sen^2x+cos^2x

Answer 1

$y=\sin^2x+\cos^2x\Longrightarrow y'=2\sin x\cdot\cos x+2\cos x\cdot(-\sin x)\iff\\\\y'=2\sin x\cdot\cos x-2\sin x\cdot\cos x\iff \boxed{y'=0}$