Multiply both sides by r to get
r^3=r cosø and use the fact that r = √(x^2+y^2) and x = r cosø:
The answer is (√(x^2+y^2))^3 = x.
Remark: Squaring both sides would not result in an equivalent equation since it would allow negative values of x.
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Multiply both sides by r to get
r^3=r cosø and use the fact that r = √(x^2+y^2) and x = r cosø:
The answer is (√(x^2+y^2))^3 = x.
Remark: Squaring both sides would not result in an equivalent equation since it would allow negative values of x.