Determine the derivative of the functionG$($x$)=$ln$($cos$($x$)).$

Question $1$ options:

G$($x$)=1$sin$($x$)$

G$($x$)=1$cos$($x$)$

G$($x$)=$tan$($x$)$

G$($x$)=$cot$($x$)$

None of the other choices