Which expression is equivalent to cos(4x)?
2(2cos2(x) – 1)2 – 1
2cos2(2x) – 1
2cos2(x)...
Mathematics, 23.10.2020 20:10 kamkamkab
Which expression is equivalent to cos(4x)?
2(2cos2(x) – 1)2 – 1
2cos2(2x) – 1
2cos2(x) – 4
4cos2(x)
Answers: 1
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