Complete the Identity $$( 4 \sin \theta \cos \theta ) \left( 1 - 2 \sin ^ { 2 } \theta \right) = \text { ? }$$

question 53

Multiple Choice

Complete the identity.
- $$( 4 \sin \theta \cos \theta ) \left( 1 - 2 \sin ^ { 2 } \theta \right) = \text { ? }$$

• A) \(\sin ( 4 \theta )\)
• B) \(\sin ( 2 \theta ) + \cos ( 2 \theta )\)
• C) \(\frac { \cos ( 4 \theta ) } { \sin ( 2 \theta ) }\)
• D) \(\sin ( 2 \theta ) \cos ( 2 \theta )\)

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