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Best Way to Graph in Polar Coordinates

Amer

Active member
Mar 1, 2012
275
what is the best way to graph in polar coordinates say

[tex]r = 3 - 5 \cos \theta [/tex]

is it to plot several points then make a curve between them or ?
 

Sudharaka

Well-known member
MHB Math Helper
Feb 5, 2012
1,621
Re: Best way to Graph is polar

what is the best way to graph in polar coordinates say

[tex]r = 3 - 5 \cos \theta [/tex]

is it to plot several points then make a curve between them or ?
Hi Amer,

Unless the curve given is a standard curve (circle, ellipse etc) or can be transformed into a standard form, we have to plot it by marking points. I drew your curve using Maxima.

http://imageshack.us/f/337/figure.png/
 

Amer

Active member
Mar 1, 2012
275

Sudharaka

Well-known member
MHB Math Helper
Feb 5, 2012
1,621
Re: Best way to Graph is polar

thanks so i need to plot some points. ok
Yes. Try plotting it and see if it really fits the curve I have attached. :)