[" 3.If the equation sin (cot' "(cos(tan...

[" 3.If the equation sin (cot' "(cos(tan^(-1)x)))=lambda" has a solution,then "lambda" lies in the interval "],[[" (A) "(0,1]," (B) "[(1)/(sqrt(2)),1)," (C) "[-(1)/(sqrt(2)),(1)/(sqrt(2))]," (D) "(-oo,1]]]

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[" 3.If the equation sin (cot' "(cos(tan^(-1)x)))=lambda" has a solution,then "lambda" lies in the interval "],[[" (A) "(0,1]," (B) "[(1)/(sqrt(2)),1)," (C) "[-(1)/(sqrt(2)),(1)/(sqrt(2))]," (D) "(-oo,1]]]

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