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Fungrim entry: fad16f

\varphi = 2 \sin\!\left(\frac{\pi}{10}\right) + 1

TeX:

\varphi = 2 \sin\!\left(\frac{\pi}{10}\right) + 1

Definitions:

Fungrim symbol	Notation	Short description
`GoldenRatio`	$\varphi$	The golden ratio (1.618...)
`Sin`	$\sin\!\left(z\right)$	Sine
`ConstPi`	$\pi$	The constant pi (3.14...)

Source code for this entry:

Entry(ID("fad16f"),
    Formula(Equal(GoldenRatio, Add(Mul(2, Sin(Div(ConstPi, 10))), 1))))

Topics using this entry

Golden ratio

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

2019-06-18 07:49:59.356594 UTC