$36(4 \cos^2 9^{\circ}-1)(4 \cos^2 27^{\circ}-1)(4 \cos^2 81^{\circ}-1)(4 \cos^2 243^{\circ}-1)$ ની કિંમત શોધો.

  • A
    $54$
  • B
    $18$
  • C
    $27$
  • D
    $36$

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