1) ∞
2) 1
3) 0
4) does not exist
Solution: (3) 0
\(\begin{array}{l}\begin{array}{l} \lim _{x \rightarrow \infty} \frac{\sin x}{x}\\ \sin \infty \in[-1,1] \text { oscillatory limit }\\ \frac{[-1,1]}{\infty}=0 \end{array}\end{array} \)
1) ∞
2) 1
3) 0
4) does not exist
Solution: (3) 0