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Find the exact value of the expression 2π COS + COS sin 3 π sin cos 12 π 2π 12 3
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Find the exact value of the expression 2π COS + COS sin 3 π sin cos 12 π 2π 12 3
Find the exact value of the expression 2π COS + COS sin 3 π sin cos 12 π 2π 12 3