Упростите выражение:
[tex]cos(450^0-6 \alpha )sin^3(180^0-2 \alpha )-cos(6 \alpha -180^0)sin^3(90^0-2 \alpha )[/tex]
[tex]cos(450^0-6 \alpha )sin^3(180^0-2 \alpha )-cos(6 \alpha -180^0)sin^3(90^0-2 \alpha )[/tex]
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