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Question
Choose the correct alternative:
`sin^-1(cos x) = pi/2 - x` is valid for
Options
`pi ≤ x ≤ 0`
0 ≤ x ≤ π
`- pi/2 ≤ x ≤ pi/2`
`- pi/4 ≤ x ≤ (3pi)/4`
Solution
0 ≤ x ≤ π
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