9. Polar Equations

In the polar coordinate system, what is the name for a set of coordinates such as the one indicated with $c$ (for example, $(r,\theta )$)?

Plot the point on the polar coordinate system.

$(5,210°)$

Plot the point on the polar coordinate system.

$(-3,-90°)$

Plot the point on the polar coordinate system.

$(6,-\frac{11\pi}{6})$

Plot the point on the polar coordinate system.

$(-2,\frac{2\pi}{3})$

Plot the point $(3,\frac{\pi}{2})$ & find another set of coordinates, $(r,θ)$, for this point, where:

(A) $r≥0,2π≤θ≤4π$,

(B) $r≥0,-2π≤θ≤0$,

(C) $r≤0,0≤θ≤2π$.

Plot the point $(5,-\frac{\pi}{3})$, then identify which of the following sets of coordinates is the same point.

Plot the point $(-3,-\frac{\pi}{6})$, then identify which of the following sets of coordinates is the same point.