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Which of the Following Expressions Is Equivalent to 2 -

Question 15

Multiple Choice

Which of the following expressions is equivalent to 2 - 4 cos²x + 4 cos⁴x?

A) 2 sin²x + 2 cos²x
B) 2 sin⁴x - 2 cos²x
C) 2 sin2x + 2 cos⁴x
D) 2 sin⁴x + 2 cos⁴x
E) 2 sin⁴x - 2 cos⁴x

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