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April 18, 2014

Homework Help: Math1239

Posted by Mark J on Wednesday, October 26, 2011 at 4:07pm.

x=4 cost, y= 2 sint on the interval
0 ≤ t ≤ 2π

what is the Cartesian equation? nd describe the graph giving the (x,y) co-ordinates ... stating the initial point and the terminal point. ?

i found the cartesian equation as

y= square root of 4-x^2/4

plz help .. i know it a complete circle but i cant have "y" as negative .. so ...

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