Use an Identity to Write the Expression as a Single $$1 - 2 \sin ^ { 2 } 2 x$$

question 425

Multiple Choice

Use an identity to write the expression as a single trigonometric function or as a single number.
- $$1 - 2 \sin ^ { 2 } 2 x$$

• A) \(\cos 8 x\)
• B) \(\cos 4 x\)
• C) \(\frac { 1 } { 2 } \sin 16 x\)
• D) \(2 \sin 4 x\)

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