posted by Kennedy .
give 3 different coterminal angles in radians to:
i changed that to degree and got 60 degress, but now i'm stuck...i don't know what to do
Add 360 to 60 to get a coterminal angle, then add another 360 to get another.
You could have written it as
PI/3; PI/3+2PI; PI/3 + 4PI