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Fungrim entry: 08cda4

G = -\int_{0}^{\pi / 4} \log\!\left(\tan(x)\right) \, dx

TeX:

G = -\int_{0}^{\pi / 4} \log\!\left(\tan(x)\right) \, dx

Definitions:

Fungrim symbol	Notation	Short description
`ConstCatalan`	$G$	Catalan's constant
`Integral`	$\int_{a}^{b} f(x) \, dx$	Integral
`Log`	$\log(z)$	Natural logarithm
`Pi`	$\pi$	The constant pi (3.14...)

Source code for this entry:

Entry(ID("08cda4"),
    Formula(Equal(ConstCatalan, Neg(Integral(Log(Tan(x)), For(x, 0, Div(Pi, 4)))))))

Topics using this entry

Catalan's constant

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2021-03-15 19:12:00.328586 UTC