Inverse Trigonometric FunctionHard

Question

If [sin-1x] + [cos-1x] = 0, where ′x′ is a non negative real number and [.] denotes the greatest integer function, then complete set of values of x is -

Options

A.(cos1, 1)
B.(-1, cos1)
C.(sin1, 1)
D.(cos1, sin1)

Solution

-

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