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TANGENTOID


Cartesian equation: .
Transcendental curve.

The tangentoid is the plot of the tangent function.
If the plane of the tangentoid is winded into a cylinder of revolution with directrix Oy and radius b/2, then we get a horopter curve.

See also the hyperbolic tangentoid and the pseudo-elliptic radioid.
 
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© Robert FERRÉOL 2017