Hey Kiddo.
The domain is the first number of each set.
Domain, 3, 6, -1, 5, -4
Irrational, because if you simplify the root V72=6V2
Sin α = 12/13 opposite/hypothenue
cos α = 5/13 adjacent/hypothenue
tan α = 12/5 opposite/adjacent
Answer:
A,C and E
Step-by-step explanation:
because Im the only one thats answered your question so you don't exactly have anything else to go off of