Two Sides of a Right Triangle ABC (C Is the Right

Multiple Choice

Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given
angle. Give exact answers with rational denominators.
-Find $\cot A$ when $a = 3$ and $c = 4$ .

A) $\frac { \sqrt { 7 } } { 4 }$

B) $\frac { \sqrt { 7 } } { 3 }$

C) $\frac { 4 \sqrt { 7 } } { 7 }$

D) $\frac { 3 \sqrt { 7 } } { 7 }$