Answer:
tan R = 45/28 where ∡R=58.11° and tan S = 28/45 where ∡S=38.48°
Explanation:
The tangent of a right triangle's angle is equal to the ratio between the triangle's opposite side to its adjacent side.
tan R = 45/28
R = tan^-1(45/28)
R = 58.11°
tan S = 28/45
S = tan^-1(28/45)
S = 38.48°