Encontrar la derivada de $-2x-21\ln\left(-x+10\right)=y$

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

$\frac{d}{dx}\left(5\cos\left(5x\right)\right)$

$\frac{d}{dx}\left(\ln\left(5x\right)\right)$

$\frac{d}{dx}\left(\tan\left(x+1\right)\right)$

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

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

$\frac{d}{dx}\left(\ln\left(\sqrt{x e^{2x}}\right)\right)$