Answer:
A
Step-by-step explanation:
I might be wrong but it seems right.
Answer:
π4;3π4
Step-by-step explanation: Trig table gives:
sinx=√22 --> arc x=π4
Unit circle gives another arc x that has the same sin value:
x=π−π4=3π4
The answer is C because its the only touching the circle on each end
