### Home > CALC > Chapter 12 > Lesson 12.1.3 > Problem12-34

12-34.

For $x$ near $0$, you can use the second degree approximation of $\operatorname{cos} x$. Use this to explain why $\lim\limits _ { x \rightarrow 0 } \frac { 1 - \operatorname { cos } x } { x } = 0$.