The domain of f(x) = Sin-1 x + Cosec-1 x is

Question

The domain of f(x) = Sin-1 x + Cosec-1 x is (A) [-1,1] (B) (-1,1) (C) -1,1 (D)  ( - ∞ , ∞)

Tardigrade Admin · Accepted Answer

[ -1.1] ∩ (- ∞,-1] ∪ [1,∞)

Q. The domain of $f (x) = S i n^{- 1} x + C ose c^{- 1} x$ is