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प्रश्न
The set of values of `sec^-1 (1/2)` is ______.
उत्तर
The set of values of `sec^-1 (1/2)` is Φ.
Explanation:
Since, domain of sec–1x R – (–1, 1) or `(-oo, -1] ∪ [1, oo)`
So, there is no set of values exist for `sec^-1 1/2`.
So, solution set is Φ
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