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)

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

Step-by-step explanation:

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

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d