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student1988
 3 years ago
write the equation in rectangular coordinates (x,y)
r = cos t
student1988
 3 years ago
write the equation in rectangular coordinates (x,y) r = cos t

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student1988
 3 years ago
Best ResponseYou've already chosen the best response.1I know rcos = x so i multiplied r on both sides. dw:1352851237477:dw but i dunno how to solve this. can someone help me please?

asnaseer
 3 years ago
Best ResponseYou've already chosen the best response.1you are almost there  think of how \(r^2\) is related to x and y.

student1988
 3 years ago
Best ResponseYou've already chosen the best response.1got it. x^2 + y^2, haha :)

asnaseer
 3 years ago
Best ResponseYou've already chosen the best response.1thats it  well done! :)
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