Questions in fun-lim

Select	Question
	$\underset{x\to \infty }{\mathop{\lim }}\,\frac{\sin x}{x}=$
	$\underset{x\to 0}{\mathop{\lim }}\,\frac{\sqrt{1+\sin x}-\sqrt{1-\sin x}}{x}=$
	$\underset{x\to 0}{\mathop{\lim }}\,\frac{2{{\sin }^{2}}3x}{{{x}^{2}}}=$
	$\underset{\alpha \to \pi /4}{\mathop{\lim }}\,\frac{\sin \alpha -\cos \alpha }{\alpha -\frac{\pi }{4}}=$
	$\underset{x\to \pi /2}{\mathop{\lim }}\,\tan x\log \sin x=$
	If n is an integer, then $\underset{x\to n+0}{\mathop{\lim }}\,(x-[n])=$
	$\underset{x\to \pi /2}{\mathop{\lim }}\,(\sec \theta -\tan \theta )=$
	$\underset{x\to 0}{\mathop{\lim }}\,\frac{\tan 2x-x}{3x-\sin x}=$
	$\underset{x\to 0}{\mathop{\lim }}\,\frac{x}{\|x\|+{{x}^{2}}}=$
	$\underset{x\to 0}{\mathop{\lim }}\,\frac{\sin ax}{\sin bx}=$