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**Unformatted text preview: **7. r =√ a 2 + b 2 r =√ 2 2 +(− 2 ) 2 r =√ 4 + 4 r =√ 8 r =√ 4 ∗ 2 8. 6 ( cos 3 π 2 + i sin 3 π 2 ) 6 ( − i ) − 6 i ( 0, − 6 i ) 9. 5 1 cos sin 4 10 10 i 1 4 − 5 [ cos ( − 5 ∗ π 10 ) + i sin ( − 5 ∗ π 10 ) ] 1 4 − 5 ( − 1 i ) 1024 ( − 1 i ) − 1024 i ( 0, − 1024 i )...

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- Fall '14
- Math, Polar Coordinates, Coordinate system, Spherical coordinate system, Polar coordinate system