CPM Homework Help : PCT Problem 4-13

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4-13.

Convert the following angle measures. Use exact values.

$48°$ to radians
Hint (a):
$\frac{\text{degrees}}{180\degree}=\frac{\text{radians}}{\pi}$

$− 500°$ to radians
Hint (b):
$\frac{500\degree}{180\degree}=\frac{\text{radians}}{\pi}$

$\frac { 13 \pi } { 12 }$ radians to degrees
Partial Steps (c):
$\frac{\text{degrees}}{180\degree}=\frac{\frac{13\pi}{12}}{\pi}$
$\frac{\text{degrees}}{180\degree}=\frac{13}{12}$
$\text{degrees }=\frac{(13)(180\degree)}{12}$

$- \frac { 20 \pi } { 9 }$ radians to degrees
Hint (d):
$\frac{\text{degrees}}{180\degree}=\frac{\text{radians}}{\pi}$

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