Simplify the trigonometric expression $\tan\left(x\right)^2-\tan\left(x\right)^2\sin\left(x\right)^2$

Find the derivative

$\frac{d}{dx}\sqrt{x}$

Find the derivative

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

Find the derivative

$\frac{d}{dx}\:\sqrt{x}$

Find the derivative

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

Find the derivative

$\frac{d}{dx}\left(x\sinh x-\cosh x\right)$

Find the derivative

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