Trigonometry Values Pi/18
The exact values of 
and 
are given by infinite Nested Radicals.
 |  |  | |
 |  |
where the sequence of signs +, +,
repeats with period 3, and | |  | |
|  |
where the sequence of signs
, , + repeats with period 3.- Nested Radical
- Net
- Net (Polyhedron)
- Netto's Conjecture
- Network
- Neuberg Circles
- Neumann Algebra
- Neumann Boundary Conditions
- Neumann Function
- Neumann Polynomial
- Neumann Series (Bessel Function)
- Neumann Series (Integral Equation)
- Neusis Construction
- Neville's Algorithm
- Neville Theta Function
- Newcomb's Paradox
- Newman-Conway Sequence
- Newton-Cotes Formulas
- Newtonian Form
- Newton Number
- Newton-Raphson Fractal
- Newton-Raphson Method
- Newton's Backward Difference Formula
- Newton's Diverging Parabolas
- Newton's Divided Difference Interpolation Formula