The expression \( \sin ^{-1}(1-x)+\cos ^{-1} \sqrt{x-2} \) can take the value (A) \( \pi / 2 \) ...
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0The expression \( \sin ^{-1}(1-x)+\cos ^{-1} \sqrt{x-2} \) can take the value
(A) \( \pi / 2 \)
(B) \( -\pi / 2 \)
(C) \( \pi \)
(D) undefined
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