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College Trigonometry, 2011a

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11.4 Polar Coordinates 933<br />

5.<br />

(<br />

12, − 7π ) (<br />

, −12, 11π )<br />

( 6<br />

6<br />

12, − 19π ) (<br />

, 12, 17π )<br />

6<br />

6<br />

6<br />

3<br />

y<br />

−12 −9 −6 −3<br />

x<br />

6.<br />

(<br />

3, − 5π ) (<br />

, −3, 7π )<br />

( 4 4<br />

3, − 13π ) (<br />

, 3, 11π )<br />

4 4<br />

3<br />

2<br />

1<br />

y<br />

−3 −2 −1 1 2 3<br />

−1<br />

−2<br />

−3<br />

x<br />

7. ( 2 √ 2, −π ) , ( −2 √ 2, 0 )<br />

(<br />

2<br />

√<br />

2, −3π<br />

)<br />

,<br />

(<br />

2<br />

√<br />

2, 3π<br />

)<br />

3<br />

2<br />

1<br />

y<br />

−3 −2 −1 1 2 3<br />

−1<br />

−2<br />

−3<br />

x<br />

8.<br />

( ) (<br />

7<br />

2 , −13π , − 7 6 2 , 5π ( ) ( 6<br />

7 7<br />

2 , −π ,<br />

6 2 , 23π )<br />

6<br />

)<br />

4<br />

3<br />

2<br />

y<br />

1<br />

−4 −3 −2 −1 1 2 3 4<br />

−1<br />

−2<br />

−3<br />

−4<br />

x

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