Question: what is the difference between terminal and coterminal?
Answer: The ray on the x-axis is called the initial side and the other ray is called the terminal side. If the terminal side of an angle lies "on" the axes (such as 0º, 90º, 180º, 270º, 360º ), it is called a quadrantal angle. ... If two angles in standard position have the same terminal side, they are called coterminal angles.