brisafe2023
brisafe2023
18.12.2020 • 
Mathematics

Which expression is equivalent to 3cos2(StartFraction theta Over 2 EndFraction) minus 3? Three-halves(cos(ϴ) – 1)
Three-halves(cos(ϴ) – 5)
3(cos(ϴ) + 2)
3(cos(ϴ) + 1)

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