Find the Limit of the Function by Using Direct Substitution $$\lim _ { x \rightarrow 2 \pi } \ln ( \cos x )$$

Multiple Choice

Find the limit of the function by using direct substitution.
- $$\lim _ { x \rightarrow 2 \pi } \ln ( \cos x )$$

A) 2
B) 1
C) 0
D) $\ln ( 2 \pi )$