Trigonometry Values Pi/3
From Trigonometry Values Pi/6
 |  |  | (1) |
 | |  | (2) |
together with the trigonometric identity
 | (3) |
 | (4) |
 | (5) |
 | (6) |
 | | | (7) |
 | | | (8) |
 | |  | (9) |
See also Equilateral Triangle
- Kepler's Folium
- Kepler Solid
- Ker
- Keratoid Cusp
- Kernel (Integral)
- Kernel (Linear Algebra)
- Kernel Polynomial
- Kervaire's Characterization Theorem
- Ket
- k-Form
- K-Function
- K-Graph
- Khinchin Constant
- Khintchine-Lévy Constant
- Khintchine's Constant
- Khovanski's Theorem
- Kiepert's Conics
- Kiepert's Hyperbola
- Kiepert's Parabola
- Kieroid
- Killing's Equation
- Killing Vectors
- Kimberling Sequence
- Kimberling Shuffle
- Kings Problem