Find the Exact Value of Csc ?,Using the Triangle Shown $$\frac { 5 } { 4 }$$

Multiple Choice

Find the exact value of csc ?,using the triangle shown in the figure below,if a = 3 and b = 4.

A) $$\frac { 5 } { 4 }$$
B) ? $\frac { 5 } { 3 }$
C) ? $\frac { 3 } { 4 }$
D) ? $$\frac { 4 } { 5 }$$
E) ? $\frac { 3 } { 5 }$