Write the Word or Phrase That Best Completes Each Statement$$\sin 4 x = ( 4 \sin x \cos x ) \left( 1 - 2 \sin ^ { 2 } x \right)$$

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The Answer of Write the Word or Phrase That Best Completes Each Statement$$\sin 4 x = ( 4 \sin x \cos x ) \left( 1 - 2 \sin ^ { 2 } x \right)$$

Write the Word or Phrase That Best Completes Each Statement $\sin 4 x = ( 4 \sin x \cos x ) \left( 1 - 2 \sin ^ { 2 } x \right)$