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OpenStudy (anonymous):
find the parametric equation for (x+9)^2 + (y-4)^2 = 49
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OpenStudy (anonymous):
In general for parametric equations \[x=x _{0}+acos(t) \] and \[y = y _{0}+asin(t)\] so for your equation x=-9+7cos(t) and y=4+7sin(t). Hope that helps
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