§1.6

Example 6

§1.7

Definition 3, 4

Example 4

§1.6

Theorem 1

Example 7, 8, 9, 10

Theorem 2

Theorem 3 : The Squeeze Theorem

Example 11

\( \lim_{x\to 0} \sin x =0 \)

\( \lim_{x\to 0} \cos x =1 \)