Question 1204941
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{{{r=4sin(theta)}}}<br>
Knowing that {{{y=r*sin(theta)}}}, multiply both sides of the equation by r:<br>
{{{r^2=4rsin(theta)}}}<br>
Then use {{{r^2=x^2+y^2)}}} and {{{rsin(theta)=y}}} to convert the equation to a Cartesian equation:<br>
{{{x^2+y^2=4y}}}<br>