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 sin A when a = 8 and b = 7. A) $\frac { \sqrt { 113 } } { 7 }$

B) $\frac { \sqrt { 113 } } { 8 }$

C) $\frac { 8 \sqrt { 113 } } { 113 }$

D) $\frac { 7 \sqrt { 113 } } { 113 }$