1.

If sin^(-1)x:[-1, 1] to [pi/2, (3pi)/2] and cos^(-1)x:[-1, 1] to [0, pi] be two bijective functions, respectively inverses of bijective functions sinx:[pi/2, (3pi)/2] to [-1, 1] and cosx:[0, pi] to [-1, 1]" then "sin^(-1)x+cos^(-1)x is

Answer»

`PI/2`
`pi`
`(3PI)/2`
not a constant

Answer :D


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