Use a Double-Angle Formula to Rewrite the Expression $6 \sin ^ { 2 } x - 3$

question 30

Multiple Choice

Use a double-angle formula to rewrite the expression.
$6 \sin ^ { 2 } x - 3$

• A) \(- 3 \cos 2 x\)
• B) \(3 \cos 2 x\)
• C) \(- 6 \cos x\)
• D) \(3 \cos x\)
• E) \(6 \cos 2 x\)

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