Question
Find an equation in $x$ and $y$ that has the same graph as the polar equation. Use it to help sketch the graph In an $r \theta$ -plane.$$r \cos \theta=5$$
Step 1
We know that in polar coordinates, $x = r \cos \theta$ and $y = r \sin \theta$. Show more…
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Find an equation in $x$ and $y$ that has the same graph as the polar equation. Use it to help sketch the graph in an $r \theta$ -plane. $$r=-5$$
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Find an equation in $x$ and $y$ that has the same graph as the polar equation. Use it to help sketch the graph in an $r \theta$ -plane. $$r=2 \cos \theta-4 \sin \theta$$
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