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[" We express "((cos2 theta-i sin2 theta...

[" We express "((cos2 theta-i sin2 theta)^(4)(cos4 theta+i sin4 theta)^(-5))/((cos3 theta+i sin3 theta)^(-2)(cos3 theta-i sin3 theta)^(-9))],[" in the form of "x+" iy,we get "],[qquad [5]]

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If we express ((cos 2 theta-i sin 2 theta)^(4)(cos 4 theta+i sin 4 theta)^(-5))/((cos 3 theta+i sin 3 theta)^(-2)(cos 3 theta-i sin 3 theta)^(-9)) in the form of x+i y we get

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