Converting between polar and Cartesian coordinates of a point

1. A.
   $\left(3\sqrt{3}, \dfrac{\pi^c}{4}\right)$
2. B.
   $\left(3\sqrt{2}, \dfrac{\pi^c}{3}\right)$
3. C.
   $\left(3\sqrt{2}, \dfrac{\pi^c}{4}\right)$
4. D.
   $\left(2\sqrt{2}, \dfrac{\pi^c}{4}\right)$

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1. A.
   $\left(\sqrt{2}, \dfrac{-3\pi}{4}\right)$
2. B.
   $\left(-\sqrt{2}, \dfrac{\pi}{4}\right)$
3. C.
   $\left(-\sqrt{2}, \dfrac{3\pi}{4}\right)$
4. D.
   $\left(\sqrt{2}, \dfrac{3\pi}{4}\right)$

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1. A.
   $0$
2. B.
   $1$
3. C.
   $4$
4. D.
   $\dfrac{1}{2}$

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