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Fungrim entry: 0ee626

atan ⁣(z)=atan(z)\operatorname{atan}\!\left(-z\right) = -\operatorname{atan}(z)
Assumptions:zC{,}z \in \mathbb{C} \cup \left\{-\infty, \infty\right\}
TeX:
\operatorname{atan}\!\left(-z\right) = -\operatorname{atan}(z)

z \in \mathbb{C} \cup \left\{-\infty, \infty\right\}
Definitions:
Fungrim symbol Notation Short description
Atanatan(z)\operatorname{atan}(z) Inverse tangent
CCC\mathbb{C} Complex numbers
Infinity\infty Positive infinity
Source code for this entry:
Entry(ID("0ee626"),
    Formula(Equal(Atan(Neg(z)), Neg(Atan(z)))),
    Variables(z),
    Assumptions(Element(z, Union(CC, Set(Neg(Infinity), Infinity)))))

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2020-01-31 18:09:28.494564 UTC