`4"COS"(3A)/(2)"cos"(3B)/(2) "cos"(3C)/(2)``-4"cos"(3A)/(2)"cos"(3B)/(2) "cos"(3C)/(2)``1-4"cos"(3A)/(2)"cos"(3B)/(2) "cos"(3C)/(2)``1-4"sin"(3A)/(2)"sin"(3B)/(2) "sin"(3C)/(2)`
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