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Fungrim entry: 03f713

sin ⁣(x+y)sin ⁣(x)y\left|\sin\!\left(x + y\right) - \sin\!\left(x\right)\right| \le \left|y\right|
Assumptions:xRandyRx \in \mathbb{R} \,\mathbin{\operatorname{and}}\, y \in \mathbb{R}
TeX:
\left|\sin\!\left(x + y\right) - \sin\!\left(x\right)\right| \le \left|y\right|

x \in \mathbb{R} \,\mathbin{\operatorname{and}}\, y \in \mathbb{R}
Definitions:
Fungrim symbol Notation Short description
Absz\left|z\right| Absolute value
Sinsin ⁣(z)\sin\!\left(z\right) Sine
RRR\mathbb{R} Real numbers
Source code for this entry:
Entry(ID("03f713"),
    Formula(LessEqual(Abs(Sub(Sin(Add(x, y)), Sin(x))), Abs(y))),
    Variables(x, y),
    Assumptions(And(Element(x, RR), Element(y, RR))))

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

2019-08-25 15:30:03.056001 UTC