Difference between revisions of "Tangents Tool"
From GeoGebra Manual
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: Tangents to a conic section can be produced in several ways (also see command [[Tangent Command|Tangent]]): | : Tangents to a conic section can be produced in several ways (also see command [[Tangent Command|Tangent]]): | ||
:* Selecting a point ''A'' and a conic ''c'' produces all tangents through ''A'' to ''c''. | :* Selecting a point ''A'' and a conic ''c'' produces all tangents through ''A'' to ''c''. | ||
Revision as of 21:35, 9 June 2010
- Tangents to a conic section can be produced in several ways (also see command Tangent):
- Selecting a point A and a conic c produces all tangents through A to c.
- Selecting a line g and a conic c produces all tangents to c that are parallel to line g.
- Selecting a point A and a function f produces the tangent line to f in x = x(A).
- Note: x(A) represents the x-coordinate of point A. If point A lies on the function graph, the tangent runs through point A.
