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Cos 4 cos2x

Cos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2x
Cos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2x
Cos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2xCos 4 cos2x