MCQOPTIONS
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MCQOPTIONS
| 1. |
The function \(f(x) = \sqrt {\cos (\sin x)} + {\sin ^{ - 1}}\left( {\frac{{1 + {x^2}}}{{2x}}} \right)\) is defined for |
| A. | x ∈ {-1, 1} |
| B. | x ∈ [-1, 1] |
| C. | x ∈ R |
| D. | x ∈ (-1, 1) |
| Answer» B. x ∈ [-1, 1] | |