MCQ
$\cos ^{-1}(2 x)+\sin ^{-1}(2 x)=\ldots \ldots \ldots . .2 x \in[-1,1]$
  • $\frac{\pi}{2}$
  • B
    $\frac{\pi}{4}$
  • C
    $\pi$
  • D
    $0$

Answer

Correct option: A.
$\frac{\pi}{2}$
A

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