The Product Rule Practice Test

$(t^2+2t+1)\cdot 2t\cos(t^2)$

$(2t+2)\sin(t^2)$

$(2t+2)\cos(t^2)$

$\sin(t^2)+\cos(t^2)$

$(2t+2)\sin(t^2)+(t^2+2t+1)\cdot 2t\cos(t^2)$