Triangle Inscribing in an Ellipse
To inscribe an Equilateral Triangle in an Ellipse, place the top Vertex at
, then solve to find the 
coordinate of the other two Vertices.
 | (1) |
 | (2) |
 | (3) |
 | (4) |
 | (5) |
 | (6) |
 |  |  | |
|  | (7) |
and
 | (8) |
- Disconnectivity
- Discontinuity
- Discontinuous
- Discordant Permutation
- Discrepancy Theorem
- Discrete Distribution
- Discrete Fourier Transform
- Discrete Mathematics
- Discrete Set
- Discrete Uniform Distribution
- Discriminant
- Discriminant (Binary Quadratic Form)
- Discriminant (Elliptic Curve)
- Discriminant (Metric)
- Discriminant (Module)
- Discriminant (Polynomial)
- Discriminant (Quadratic Curve)
- Discriminant (Quadratic Form)
- Discriminant (Second Derivative Test)
- Disdyakis Dodecahedron
- Disdyakis Triacontahedron
- Disjoint
- Disjunction
- Disjunctive Game
- Disk