CPM Homework Help : PC3 Problem 11-22

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11-22.

For $r = \cos(θ)$ , make a table of at least eight values and then sketch a graph.

Table:

$r$	$\theta$
	$0$
$\sqrt2$	$\frac{\pi}{4}$
	$\frac{\pi}{2}$
	$\frac{3\pi}{4}$

$r$	$\theta$
	$\pi$
	$\frac{5\pi}{4}$
$0$	$\frac{3\pi}{2}$
	$\frac{7\pi}{4}$

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