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How can I get a curve from a trace, and calculate it's length?
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As follow:
https://www.geogebra.org/cl...
I want to know the length of the trace of point P. Can I get a curve from a trace, or there's a direct way to calculate it's length?
Thanks.
Files:
the length of t...
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What you see in the algebra view is not exact the definition of the object.
You can see the definition for example in the Properties/Basic/Definition.
In the attachment it has some explanations. If not clear then please ask more specifically.
Bonjour ,
ça ressemble à une fonction sinus mais il faudrait savoir comment est défini le point P
Cordialement
If we think a little bit more direct to reduce dependencies to one variable t (k),
we get a term of the moving point P and do integrate to the arc length
https://www.geogebra.org/m/qbfqhvyq
this is called Zykloide  Rollkurve
https://www.geogebra.org/m/dz28hcyy
there exist a command Locus( <Point Creating Locus Line>, <Slider> )and LocusEquation( <Locus> )
but I was not very successful with it...
With the parameter equation for cycloids (wikipedia) and with Locus()
Advanced: more general parameter equation for a and a' and more independent.
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