SOLUTION: Find all values of θ in the interval of [0�,360�) that satisfy the equation 2sin^2(θ/2)=cosθ.

SOLUTION: Find all values of θ in the interval of [0�,360�) that satisfy the equation 2sin^2(θ/2)=cosθ.

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Question 760338: Find all values of θ in the interval of [0�,360�) that satisfy the equation 2sin^2(θ/2)=cosθ.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Find all values of θ in the interval of [0�,360�) that satisfy the equation 2sin^2(θ/2)=cosθ.
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1-cos(x)=cos(x)
2cos(x)=1
cos(x)=1/2
x=60�, 300� (in Q1 and Q4 where cos>0)
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