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(sin^2)^3 + (cos^2)^3 + 3 sin^2 cos^2
(sin^2 + cos^2)^3 - 3 sin^2 cos^2( sin^2 + cos^2) + 3 sin^2 cos^2
1 - 3 sin^2 cos^2 + 3 sin^2 cos^2
1
(sin^2 + cos^2)^3 - 3 sin^2 cos^2( sin^2 + cos^2) + 3 sin^2 cos^2
1 - 3 sin^2 cos^2 + 3 sin^2 cos^2
1
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