Trigonometry Values Pi/20
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|  | (3) |
An interesting near-identity is given by
 | (4) |
.- Diffeomorphism
- Difference
- Difference Equation
- Trigonometry Values Pi/4
- Trigonometry Values Pi/5
- Trigonometry Values Pi/6
- Trigonometry Values Pi/7
- Trigonometry Values Pi/8
- Trigonometry Values Pi/9
- Trigyrate Rhombicosidodecahedron
- Trihedron
- Trilinear Coordinates
- Trilinear Line
- Trilinear Polar
- Trillion
- Trimagic Square
- Trimean
- Trimorphic Number
- Trinoid
- Trinomial
- Trinomial Identity
- Trinomial Triangle
- Triomino
- Triple
- Triple-Free Set