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Statement I If alpha , beta are roots ...

Statement I If ` alpha , beta ` are roots of `6x^(2) + 11x + 3 = 0 ", then " cos^(-1) alpha ` exists but not `cot^(-1) beta ( alpha gt beta)`.
Statement II Domain of ` cos^(-1) x " is " [-1, 1]`.

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a
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