1.

Which of the following are incorrect

Answer»

`underset(x in R)(["min" E^(x)])!=[e^(-PI//2)]`, ([.] = greatest INTEGER function)
`[sin(sinx)]gt[cos(cosx)]`, where `x in (0,(pi)/2)`, ([.] = Greatest integerfunction)
`sin1 gt cos(sin 1)`
`cos^(-1)(1/4)lt sin^(-1)(1/4)`

Answer :B::D


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