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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)

Which expression is equivalent to 3cos2(StartFraction theta Over 2 EndFraction) minus-example-1
User RSinohara
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2 Answers

0 votes

Answer:

A

Explanation:

For the same reason as above. Credit to them.

User Kasra
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2 votes

Answer:

It's a 3/2(cos(O)-1

Explanation:

I plugged all the equations in desmos and that was equal to the given equation.

User Hugmeir
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