Use the Figure to Find the Exact Value of the Trigonometric

Multiple Choice

Use the figure to find the exact value of the trigonometric function.
-Find $\sin 2 \theta$ .

A) $\frac { 840 } { 841 }$
B) $\frac { 41 } { 841 }$
C) $- \frac { 41 } { 841 }$
D) $- \frac { 40 } { 841 }$