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 $\csc B$ when $a = 9$ and $b = 7$ .

A) $\frac { \sqrt { 130 } } { 7 }$

B) $\frac { 9 \sqrt { 130 } } { 130 }$

C) $\frac { 7 \sqrt { 130 } } { 130 }$

D) $\frac { \sqrt { 130 } } { 9 }$