Mathematics
novan
2017-08-23 23:49:00
Convert the rectangular equation x^2 + y^2 - 5y = 0 into a polar equation.
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gingerbagent3
2017-08-24 03:05:33

Note that in polar coordinates, [latex]r^2=x^2+y^2[/latex] and [latex]y = r sin heta[/latex].  This gives: [latex]r^2 - 5r sin heta[/latex] [latex]r^2 = 5r sin heta[/latex] This gives [latex]r=0[/latex] or [latex]r=5 sin heta[/latex].

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