Refer to the Triangle and Compute $\tan \left( \frac { t } { 2 } \right)$

Multiple Choice

Refer to the triangle and compute $\tan \left( \frac { t } { 2 } \right)$ .

A) 1/5
B) $\frac { 5 \sqrt { 13 } } { 26 }$
C) $\frac { \sqrt { 6 } } { 26 }$
D) 1/8
E) $\frac { \sqrt { 26 } } { 26 }$