Which of the Following Expressions Is Equivalent to 3 Sin²

question 14

Multiple Choice

Which of the following expressions is equivalent to 3 sin² α - 3 sin⁴ α? ​

• A)3 cos⁴ α + cos² α
• B)-cos² α - 3 cos⁴ α)
• C)3 (cos² α + cos⁴ α)
• D)3 (cos² α - cos⁴ α)
• E)-3 (cos² α - cos⁴ α)

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