Airplane Flies at an Altitude of 14 Miles Toward a Point

Multiple Choice

airplane flies at an altitude of 14 miles toward a point directly over an observer. Consider $\theta$ and $x$ as shown in the following figure. Write $\theta$ as a function of $x$ .

A) $\theta = \operatorname { arccot } ( 14 x )$
B) $\theta = 14 \operatorname { arccot } x$
C) $\theta = \operatorname { arccot } \left( \frac { x } { 14 } \right)$
D) $\theta = \arctan \left( \frac { x } { 14 } \right)$
E) $\theta = \operatorname { arccot } \left( \frac { 14 } { x } \right)$