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. ​
Sin 2θ​ ​
A = 1,b = 2
​

A) $\frac { 4 } { 5 }$
B) $\frac { 4 } { 5 }$ ​
C) $\frac { 5 } { 4 }$ ​
D) $\frac { 5 } { 5 }$ ​
E) $\frac { 5 } { 5 }$ ​