Point $( \pi , 5 )$ A) $r = \ln | \tan t + 1 | + 5$

Multiple Choice

$\text { Find the solution of the differential equation } \frac { d r } { d t } = \frac { \sec ^ { 2 } t } { \tan t + 1 } \text { which passes through the }$ point $( \pi , 5 )$

A) $r = \ln | \tan t + 1 | + 5$
B) $r = 2 \ln | \sec t + 1 |$
C) $r = \ln | \tan t + 1 |$
D) $r = 5 \ln | \tan t + 1 |$
E) $r = 2 \ln | \sin t | + 5$