[" 60.The number of values of "x" for wh...

[" 60.The number of values of "x" for which "sin2x+cos4x=2" ,is "],[[" (a) "0," (b) "1," (c) "2," (d) infinith "],[" 61.If "2sec2 alpha=tan beta+cot beta" ,then one of the values of "alpha+6]]

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