Definition:Angle of Contingence

Definition

Let $A$ and $B$ be two points on a plane curve.

The angle of contingence with respect to $A$ and $B$ is defined as the angle between the positive directions of the tangents to the curve at $A$ and $B$.

Also see

• Results about angles of contingence can be found here.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): angle of contingence
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): contingence, angle of
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): angle of contingence
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): contingence, angle of