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 $\tan B$ when $a = 4$ and $b = 5$ .

A) $\frac { 5 \sqrt { 41 } } { 41 }$

B) $\frac { 4 \sqrt { 41 } } { 41 }$

C) $\frac { 4 } { 5 }$

D) $\frac { 5 } { 4 }$