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Fungrim entry: e7a9b1

atan(x)<π2\left|\operatorname{atan}(x)\right| < \frac{\pi}{2}
Assumptions:xRx \in \mathbb{R}
TeX:
\left|\operatorname{atan}(x)\right| < \frac{\pi}{2}

x \in \mathbb{R}
Definitions:
Fungrim symbol Notation Short description
Absz\left|z\right| Absolute value
Atanatan(z)\operatorname{atan}(z) Inverse tangent
Piπ\pi The constant pi (3.14...)
RRR\mathbb{R} Real numbers
Source code for this entry:
Entry(ID("e7a9b1"),
    Formula(Less(Abs(Atan(x)), Div(Pi, 2))),
    Variables(x),
    Assumptions(Element(x, RR)))

Topics using this entry

Copyright (C) Fredrik Johansson and contributors. Fungrim is provided under the MIT license. The source code is on GitHub.

2021-03-15 19:12:00.328586 UTC