Solve the differential equation $y^{\prime}+y\tan\left(x\right)=\cos\left(2x\right)$

Find the derivative

$\frac{d}{dx}\left(2x-1\cdot 4\cdot \ln\left(x+2\right)\right)$

Find the derivative

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

Find the derivative

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

Find the derivative

$\frac{d}{dx}\left(\pi100^2=0\right)$

Find the derivative

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

Find the derivative

$\frac{d}{dx}\left(x\cdot \left(x^2+1\right)\right)$

Find the derivative

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