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| 1. |
\frac { ( \operatorname { cos } 2 \theta + i \operatorname { sin } 2 \theta ) ^ { 3 } ( \operatorname { cos } 4 \theta - i \operatorname { sin } 4 \theta ) ^ { 3 } } { ( \operatorname { cos } \theta + i \operatorname { sin } \theta ) ^ { 3 } } |
| Answer» | |