## Calculus: Early Transcendentals (2nd Edition)

$y'=x\cos x+\sin x$
$y=x\sin x$ Start the differentiation process by using the product rule: $y'=(x)(\sin x)'+(\sin x)(x)'=...$ Evaluate the indicated derivatives and simplify: $...=x\cos x+(1)\sin x=x\cos x+\sin x$