$\int \cos^5 x \, dx = $

  • A
    $\sin x - \frac{2}{3} \sin^3 x + \frac{1}{5} \sin^5 x + c$
  • B
    $\sin x + \frac{2}{3} \sin^3 x + \frac{1}{5} \sin^5 x + c$
  • C
    $\sin x - \frac{2}{3} \sin^3 x - \frac{1}{5} \sin^5 x + c$
  • D
    इनमें से कोई नहीं

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