Express the trig ratios as fractions in simplest terms.
R
S
T
15
25
20
Answer
sin S =
cos T =
sin S and cos T
sin S = 15/25 = 3/5
cos T = 20/25 = 4/5
sin S and cos T = (3/5)(4/5) = 12/25
R
S
T
15
25
20
Answer
sin S =
cos T =
sin S and cos T
cos T = 20/25 = 4/5
sin S and cos T = (3/5)(4/5) = 12/25