$\text { Find } \int \tan 6 \theta d \theta \text {. }$

Multiple Choice

$\text { Find } \int \tan 6 \theta d \theta \text {. }$

A) $\int \tan 6 \theta d \theta = - \frac { 1 } { 6 } \ln | \sec 6 \theta | + C$
B) $\int \tan 6 \theta d \theta = \frac { 1 } { 6 } \ln | \cos 6 \theta | + C$
C) $\int \tan 6 \theta d \theta = - 6 \ln | \cos 6 \theta | + C$
D) $\int \tan 6 \theta d \theta = - 6 \ln | \sec 6 \theta | + C$
E) $\int \tan 6 \theta d \theta = - \frac { 1 } { 6 } \ln | \cos 6 \theta | + C$