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Fungrim entry: 1f026d

tan ⁣(atan(z))=z\tan\!\left(\operatorname{atan}(z)\right) = z
Assumptions:zCz \in \mathbb{C}
TeX:
\tan\!\left(\operatorname{atan}(z)\right) = z

z \in \mathbb{C}
Definitions:
Fungrim symbol Notation Short description
Atanatan(z)\operatorname{atan}(z) Inverse tangent
CCC\mathbb{C} Complex numbers
Source code for this entry:
Entry(ID("1f026d"),
    Formula(Equal(Tan(Atan(z)), z)),
    Variables(z),
    Assumptions(Element(z, CC)))

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2020-01-31 18:09:28.494564 UTC