anonymous
  • anonymous
what is the name of the shape graphed by the function r=1-2sin theta? A. cardioid B. circle C. Line D. Limacon with inner loop
Mathematics
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Is it Cardioid?
jtvatsim
  • jtvatsim
First thing you should do is attempt to graph the function. Once you do this you will see something like this picture:|dw:1439354889069:dw|
LynFran
  • LynFran
yeah ^^ http://www.wolframalpha.com/input/?i=r%3D1-2sin%28theta%29&lk=4

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jtvatsim
  • jtvatsim
This is similar to a cardioid, but not quite the same. Notice that this has an "inside loop." Cardioids don't have this feature. Now that I've mentioned the "inside loop," you'll probably be able to figure out which answer choice is correct. :)
anonymous
  • anonymous
i'm sure it isn't B or C
LynFran
  • LynFran
its the last one i think.. http://mathworld.wolfram.com/Limacon.html
anonymous
  • anonymous
It was D thanks.

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