Definition:Coterminal Angles
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Definition
Coterminal angles are angles which are rotations between the same $2$ lines.
That is, they are angles with the same arms.
Examples
Arbitrary Example
The angles $20 \degrees$, $-340 \degrees$ and $380 \degrees$ are all coterminal angles.
Also see
- Results about coterminal angles can be found here.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): coterminal: 1.
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): coterminal: 1.