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[" The value of "sin^(2)1^(@)+sin^(2)5^(...

[" The value of "sin^(2)1^(@)+sin^(2)5^(0)+sin^(2)9^(0)+...+sin^(2)89^(@)" is "],[[" a) "11_(2)^(1)," b) "11sqrt(2)," c) "11," d) "(11)/(sqrt(2))]]

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