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The expression sin^(-1)(1-x)+cos^(-1)sqr...

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

A

0

B

`pi//2`

C

`-pi//2`

D

`pi`

Text Solution

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The correct Answer is:
A
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