• 2022-06-29
    Which one of the following set is the domain of the function $y=\sqrt{\arcsin x}$:
    A: $[-1,1]$
    B: $[0,1]$
    C: $[0,\frac{\pi }{2}]$
    D: $\underset{k\in \mathbb{Z}}{\mathop{\cup }}\,[k\pi ,k\pi +\frac{\pi }{2}]$
  • 举一反三