atan(1)=4π
TeX:
\operatorname{atan}\!\left(1\right) = \frac{\pi}{4}Definitions:
| Fungrim symbol | Notation | Short description |
|---|
| Atan | atan(z)
| Inverse tangent |
| ConstPi | π
| The constant pi (3.14...) |
Source code for this entry:
Entry(ID("157c6c"),
Formula(Equal(Atan(1), Div(ConstPi, 4))))