Chapter 10.3, Problem 2E

(a)

To determine

To plot: The polar coordinate $\left(2,\frac{5\pi }{6}\right)$ and find two other pairs for the conditions $r>0$ and $r<0$.

(b)

To determine

To plot: The polar coordinate $\left(1,-\frac{2\pi }{3}\right)$ and find two other pairs for the conditions $r>0$ and $r<0$.

(c)

To determine

To plot: The polar coordinate $\left(-1,\frac{5\pi }{4}\right)$ and find two other pairs for the conditions $r>0$ and $r<0$.