## lituusThe lituus is a spiral curve that was discovered by the English mathematician Roger Cotes (1682–1716) and named by the Scottish mathematician Colin Maclaurin in 1722. The Latin lituus refers to a staff shaped like a bishop's crosier.
The lituus is the locus of a point that moves
in such a manner that the area of a circular sector remains constant. The
equation of the curve in polar coordinates
is r ^{2} = a^{2/π}
## Related category• PLANE CURVES | |||||

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