23
sin(R) = opposite/hypotenuse = ST/RS = 8/10 = 4/5
24
cos(R) = adjacent/hypotenuse = RT/RS = 6/10 = 3/5
25
tan(R) = opposite/adjacent = ST/RS = 8/6 = 4/3
26
sin(S) = opposite/hypotenuse = RT/RS = 6/10 = 3/5
27
cos(S) = adjacent/hypotenuse = ST/RS = 8/10 = 4/5
28
tan(R) = opposite/adjacent = RT/ST = 6/8 = 3/4