SOLUTION: Solve the following equation exactly for 0≤θ≤2Π with θ in radians. 4cos^2(θ) = 3

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Question 767217: Solve the following equation exactly for 0≤θ≤2Π with θ in radians.
4cos^2(θ) = 3
Answer by lwsshak3(11628) About Me  (Show Source):
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Solve the following equation exactly for 0≤θ≤2Π with θ in radians.
4cos^2(θ) = 3
cos^2(θ)=3/4
cos(θ)=±√3/2
θ=π/4, 3π/4, 5π/4, 7π/4