Which of the following is/are true? (dy)...

Which of the following is/are true? `(dy)/(dx)fory=sin^(-1)(cosx),w h e r ex in (0,pi),i s-1` `(dy)/(dx)fory=sin^(-1)(cosx),w h e r ex in (0,2pi),i s1` `(dy)/(dx)fory=cos^(-1)(sinx),w h e r ex in (-pi/2,pi/2),i s-1` `(dy)/(dx)fory=cos^(-1)(sinx),w h e r ex in (pi/2,(3pi)/2),i s-1`

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