TeX:
\varphi = 2 \cos\!\left(\frac{\pi}{5}\right)
Definitions:
Fungrim symbol | Notation | Short description |
---|---|---|
GoldenRatio | The golden ratio (1.618...) | |
ConstPi | The constant pi (3.14...) |
Source code for this entry:
Entry(ID("98a765"), Formula(Equal(GoldenRatio, Mul(2, Cos(Div(ConstPi, 5))))))