TeX:
\varphi = 2 \sin\!\left(\frac{3 \pi}{10}\right)Definitions:
| Fungrim symbol | Notation | Short description |
|---|---|---|
| GoldenRatio | The golden ratio (1.618...) | |
| Sin | Sine | |
| ConstPi | The constant pi (3.14...) |
Source code for this entry:
Entry(ID("487e35"),
Formula(Equal(GoldenRatio, Mul(2, Sin(Div(Mul(3, ConstPi), 10))))))