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[cos2x+k sin x=2k-7" has a solution for ...

[cos2x+k sin x=2k-7" has a solution for "],[[" (A) "k<3" rissa JEE "200" 9; Kerala (Engg.) "2011],[" (C) "k>3]" (B) "[" k "<2],[" (D) "2

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