Find the derivative of $\ln\left(\mathrm{sinh}\left(9x\right)\right)$

$\frac{d}{dx}\left(\mathrm{sech}\left(-4x\right)\left(1-\ln\left(\mathrm{sech}\left(-4x\right)\right)\right)\right)$

$\frac{d}{dx}\left(\ln\left(\mathrm{sech}\left(3x+8\right)\right)\right)$

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

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

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

$\frac{d}{dx}\left(\sinh^2\left(7x\right)\right)$

$\frac{d}{dx}\left(2x^3\tanh\left(\frac{1}{x^2}\right)\right)$