MCQ
यदि $x \in[-1,1]$, तब $\cos ^{-1}(-x)=$
  • A
    $\pi+\cos ^{-1} x$
  • $\pi-\cos ^{-1} x$
  • C
    $\cos ^{-1} x$
  • D
    $\cos x$

Answer

Correct option: B.
$\pi-\cos ^{-1} x$
B

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