How to prove that $$\lim_{x\rightarrow \infty} \left(x + \frac{\sin{x}}{x}\right)$$ is equal to $\infty$?
I know that I couldn't use this: $$\lim_{x\rightarrow \infty} \left(x + \frac{\sin{x}}{x}\right)=\lim_{x\rightarrow \infty} x + \lim_{x\rightarrow \infty} \left(\frac{\sin{x}}{x} \right)= \infty + 0 =\infty .$$
Hint
For $x>1$:$$x+{\sin x\over x}>x-1$$