Find the Given Trigonometric Function of the Indicated Angle Using $$x = 21 , y = 32 , z = 42$$

Find the given trigonometric function of the indicated angle using triangle RAW. tan W, where $$x = 21 , y = 32 , z = 42$$

A) $\frac { 1 } { 2 }$
B) $\frac { 21 } { 16 }$
C) $\frac { 16 } { 21 }$
D) $\frac { 32 } { 21 }$
E) $\frac { 16 } { 11 }$