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8/10/2019 curvas famosas para mate 3 Cisoide de Diocles
1/4
Cisoide de Diocles
Ecuacin cartesiana:
y2=x
3/ (2 a-x)
Ecuacin polar:
r= 2 a(tan ) sin ()
Cardioide
Ecuacin cartesiana:
(x2+ y
2- 2 ax)
2= 4 a
2(x
2+ y
2)
Polar ecuacin:
r= 2 a(1 + cos ( ))
Astroid
Ecuacin cartesiana:
x2/3
+ y2/3
= a3/2
o paramtrica:
x= acos3( t), y= a sin
3( t)
Crculo
Ecuacin cartesiana:
x 2+ y 2= a 2
o paramtrica:
x= acos ( t), y= asen ( t)
la ecuacin polar:r= a
Elipse
Ecuacin cartesiana:
x2/a
2+ y
2/b
2= 1
Polar ecuacin:
x= acos(t), y= bsin(t)
Epicycloid
8/10/2019 curvas famosas para mate 3 Cisoide de Diocles
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Ecuacin cartesiana paramtrica:
x= (a+ b) cos(t) - bcos((a/b+ 1)t),
y= (a+ b) sin(t) - bsin((a/b+ 1)t)
Fermat's Spiral
Polar ecuacion:
r2= a
2
Folium
Cartesian equation:
(x2+ y2)(y2+x(x+ b)) = 4axy2
Polar equation:
r= -bcos+ 4acossin2
Folium of Descartes (hoja de descartes)
Cartesian equation:
x3+ y
3= 3axy
or parametrically:
x= 3at/(1 + t3), y= 3at
2/(1 + t
3)
Hyperbola
Cartesian equation:
x2/a
2- y
2/b
2= 1
or parametrically:
x= asec(t), y= btan(t)
Hiperblica Espiral
Ecuacin polar:
r= a/
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Hypocycloid
Parametric Cartesian equation:
x= (a- b) cos(t) + bcos((a/b- 1)t),
y= (a- b) sin(t) - bsin((a/b- 1)t)
Hipotrocoide
Paramtrico ecuacin cartesiana:
x= ( un- b) cos ( t) + c(cos ( una/ b-1) t),
y= ( un- b) sen ( t) - csin (( un/ b-1 ) t)
Evolvente Realizamos de un Crculo
Paramtrico ecuacin cartesiana:
x= a(cos ( t) + tsen ( t)),
y= a(sin ( t) - tcos ( t))
Lemniscate of Bernoulli
Cartesian equation:
(x2+ y
2)
2= a
2(x
2- y
2)
Polar equation:
r2= a
2cos(2)
Limaon de Pascal
Ecuacin cartesiana:
(x2+ y
2- 2 ax)
2= b
2(x
2+ y
2)
Polar ecuacin:
r= b+ 2 acos ( )
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Spiral of Archimedes
Polar equation:
r= a
Trisectriz de Maclaurin
Ecuacin cartesiana:
y2( a+x) =x
2(3 a-x)
Polar ecuacin:
r= 2 sen (3 ) / sen (2 )
Bruja de Agnesi
Ecuacin cartesiana:
y(x2+ a
2) = a
3
o paramtrica:x= a, y= a/ (1 + t
2)
Tractrix
Paramtrico ecuacin cartesiana:
x= 1 / cosh ( t), y= t- tanh ( t)