Problem	Video
Differentiate $f(x) = x^2 cos(x)$ with respect to $x$	Watch
Differentiate $f(x)=e^x (x^4+1)$ with respect to $x$	Watch
Find $\frac{d}{dx}(xtan(x))$	Watch
Find $\frac{d}{dx}(x^3 e^x)$	Watch
Find $\frac{d}{dx}(sin(x)e^{cos(x)})$	Watch
Find $\dfrac{d}{dx}\left(\dfrac{xsin(x)}{ln(x)}\right)$	Watch
Find $\frac{d}{dx}(sec^2(x)3x^{10})$	Watch
Find $\dfrac{d}{dx}\left(\dfrac{x^4 sin(x)}{e^x}\right)$	Watch
Find $\dfrac{d}{dx}\left(\dfrac{sin(x)cos(x)}{ln(sin(x))}\right)$	Watch
Find $\dfrac{d}{dx}\left(\dfrac{e^{sin(x)}(x^8+x)}{tan(x)}\right)$	Watch