$\sin 4\theta$ को किस प्रकार लिखा जा सकता है?

  • A
    $4\sin \theta (1 - 2\sin^2 \theta )\sqrt {1 - \sin^2 \theta }$
  • B
    $2\sin \theta \cos \theta \sin^2 \theta$
  • C
    $4\sin \theta - 6\sin^3 \theta$
  • D
    इनमें से कोई नहीं

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