मान लीजिए $f(x) = \lim_{y \to 0} \frac{(1 - \cos(xy))\tan(xy)}{y^3}$. तो समीकरण $f(x) = \sin x, x \in R$ के हलों की संख्या क्या है?

  • A
    $0$
  • B
    $2$
  • C
    $3$
  • D
    $1$

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