Question

What are all solutions to the equation 2 cos Θ = 1 for 0 ≤ Θ ≤ 2pi? Round to the nearest hundredth.

θ ≈ 1.32, 4.97
θ ≈ 1.05, 5.24
θ ≈ 0.52, 2.62
θ ≈ 0.05, 2.89

Answer 1

+-(pi)/3 This time, you'll want to use a numerical value for pi

Answer 2

1.046 = 1.05

Answer 3

Yes, and for the negative value, subtract that from 2 x pi

Answer 4

-5.23

Answer 5

So its B?

Answer 6

It's B, good job!