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OpenStudy (usukidoll):
Help me! I need a better explanation! Graph the lamniscate curve r^2 = 4cos2feta my professor told me to derive it, but I don't know what he's taking about.
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OpenStudy (usukidoll):
|dw:1347781633795:dw|
Directrix (directrix):
Did the professor mention graphing this with a calculator?
OpenStudy (usukidoll):
No. what is he talking about when he said just derive and don't calculate ?
OpenStudy (usukidoll):
|dw:1347782270795:dw| the graph looks something like this, but I don't know how the prof. even got that. Do I just plug in some random angle and solve?
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