Encontrar la derivada de $x\tan\left(y\right)$

$\frac{d}{dx}\tan\left(x\right)$

$\frac{d}{dx}\left(\arcsin\left(\sqrt{x}\right)\right)$

$\frac{d}{dx}\left(\sin^2\left(x\right)\right)$

$\frac{d}{dx}\sin\left(3x\right)$

$\frac{d}{dx}\sin\left(x\right)\cos\left(x\right)$

$\frac{d}{dx}\left(ln\left(cos\left(x\right)\right)\right)$

$\frac{d}{dx}\left(x\sqrt{x^2-1}\right)$