Use the Given Information to Find the Exact Value of the Trigonometric

Multiple Choice

Use the given information to find the exact value of the trigonometric function.
- $\sec \theta = - \frac { 25 } { 24 } , \theta$ lies in quadrant II Find $\sin \frac { \theta } { 2 }$ .

A) $\frac { 7 \sqrt { 2 } } { 10 }$
B) $- \frac { \sqrt { 2 } } { 10 }$
C) $- \frac { 7 } { 50 }$
D) $\frac { \sqrt { 2 } } { 10 }$