1.

If f(x)=sinx,-pi//2lexlepi//2, then

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f(X) is increasingin the INTERVAL `[-pi//2,pi//2]`
`f{f(x)}` is INCREASING in the interval `[-pi//2,pi//2]`
`f{f(x)}` is DECREASING in `[-pi//2,0]`and increasing in `[0,pi//2]`
`f{f(x)}`is invertible in `[-pi//2,pi//2]`

Answer :A::B::D


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