Evaluate the Integral $$\int _ { \pi / 16 } ^ { \pi / 8 } 4 \cot ( 4 \theta ) d \theta$$

Multiple Choice

Evaluate the integral.
- $$\int _ { \pi / 16 } ^ { \pi / 8 } 4 \cot ( 4 \theta ) d \theta$$

A) $\ln 2$
B) $- \frac { \ln 2 } { 2 }$
C) $\frac { \ln 2 } { 2 }$
D) $\frac { \ln 8 } { 2 }$