$ \cos \left[2 \sin ^{-1} \frac{3}{4} + \cos ^{-1} \frac{3}{4}\right] $

  • A
    $ \frac{3}{4} $
  • B
    અસ્તિત્વ ધરાવતું નથી
  • C
    $ -\frac{3}{4} $
  • D
    $ \frac{3}{5} $

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