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[" The value of "2.sin^(2)(2k)/(6)" i co...

[" The value of "2.sin^(2)(2k)/(6)" i cosec "^(2)(1 pi)/(6)cos^(2)(pi)/(3)" is equal is "],[[(1)/(2),(3)/(2)],[" (A) "7,,1[1}]],[" (i) "1.]

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