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Fungrim entry: a9ecff

atan ⁣(21)=π8\operatorname{atan}\!\left(\sqrt{2} - 1\right) = \frac{\pi}{8}
TeX:
\operatorname{atan}\!\left(\sqrt{2} - 1\right) = \frac{\pi}{8}
Definitions:
Fungrim symbol Notation Short description
Atanatan(z)\operatorname{atan}(z) Inverse tangent
Sqrtz\sqrt{z} Principal square root
Piπ\pi The constant pi (3.14...)
Source code for this entry:
Entry(ID("a9ecff"),
    Formula(Equal(Atan(Sub(Sqrt(2), 1)), Div(Pi, 8))))

Topics using this entry

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2020-01-31 18:09:28.494564 UTC