Evaluate cos2θ for cosθ =3/2 .

asked Jan 6, 2021 90.5k views

2 votes

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4 votes

Answer:

(square root of 3/2)^2 = 3/4

GarlicBread answered Jan 8, 2021

4.9k points

2 votes

Answer:

I'm not certain, but if we're substituting the value of the variable and simplifying than it should be 3/4.

Stklik answered Jan 12, 2021

4.7k points

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