Domain of inverse sine function (Jee Mains)

Principal Value & Basic Properties

Medium

Domain of inverse sine function

If the domain of the function f(x) = sin^–1 $\left( {\frac{1}{{{x^2} - 2x - 2}}} \right)$ , is (–∞, α] $\cup$ [β, γ] $\cup$ [δ, ∞), then α + β + γ + δ is equal to

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