Calc

Find a polar equation for the curve represented by the given Cartesian equation.
a. y=5
b.2xy=1

I know i posted a question just for the opposite..Im confused on how to convert the other way around as well. any advice?

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  1. a) r sin theta = 5

    b) 2 r^2 sin theta cos theta
    = r^2 sin (2theta) = 1

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