यदि $\lim _{x \rightarrow 0} \frac{\sin (2+x)-\sin (2-x)}{x}=A \cos B$ है,तो $A$ और $B$ के मान क्रमशः क्या हैं?

  • A
    $1, 2$
  • B
    $2, 1$
  • C
    $1, 1$
  • D
    $2, 2$

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