The equation in rectangular coordinates is:
√(x^2 + y^2)*(1 - cos(Atan(y/x))) = 8
Remember that:
Then we can just replace that in the given equation:
r - r*cos(θ) = 8
r*(1 - cos(θ)) = 8
Using the above relations, we have:
√(x^2 + y^2)*(1 - cos(Atan(y/x))) = 8
That is the equation in rectangular coordinates.
If you want to learn more about coordinates:
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