1.

\frac { ( \cos 3 \theta + i \sin 3 \theta ) ^ { 2 } ( \cos 4 \theta - i \sin 4 \theta ) ^ { 3 } } { ( \cos 2 \theta + i \sin 2 \theta ) ^ { 3 } ( \cos 3 \theta - i \sin 3 \theta ) ^ { 4 } } =

Answer»

thanks



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