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Fungrim entry: 1b11be

sin ⁣(2z)=2sin(z)cos(z)\sin\!\left(2 z\right) = 2 \sin(z) \cos(z)
Assumptions:zCz \in \mathbb{C}
TeX:
\sin\!\left(2 z\right) = 2 \sin(z) \cos(z)

z \in \mathbb{C}
Definitions:
Fungrim symbol Notation Short description
Sinsin(z)\sin(z) Sine
CCC\mathbb{C} Complex numbers
Source code for this entry:
Entry(ID("1b11be"),
    Formula(Equal(Sin(Mul(2, z)), Mul(Mul(2, Sin(z)), Cos(z)))),
    Variables(z),
    Assumptions(Element(z, CC)))

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

2019-10-05 13:11:19.856591 UTC