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OpenStudy (anonymous):
find the rectangular equation for r=4cos theta
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OpenStudy (tkhunny):
Multiply by r and see if anything looks familiar.
OpenStudy (anonymous):
got it!
OpenStudy (anonymous):
y^2=-x^2 +4x?
OpenStudy (tkhunny):
Whence came the -x^2?
OpenStudy (perl):
yes thats correct
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OpenStudy (anonymous):
sorry i meant x^2+y^2-4x=0
OpenStudy (tkhunny):
Just encouraging you to show your intermediate steps. Now, complete the square in x and tell the REAL story.
OpenStudy (anonymous):
eh its a take home test and the question just asked for the rectangular equation
OpenStudy (anonymous):
thats how they all are
OpenStudy (tkhunny):
Very disappointing. :-)
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