SOLUTION: Use trigonometric identities to solve 2cos2(θ)=sin(θ)+1 exactly for 0≤θ<2π. If there is more than one answer, enter your answers as a comma separated list
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Question 865407: Use trigonometric identities to solve 2cos2(θ)=sin(θ)+1 exactly for 0≤θ<2π. If there is more than one answer, enter your answers as a comma separated list
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Use trigonometric identities to solve 2cos2(θ)=sin(θ)+1 exactly for 0≤θ<2π. If there is more than one answer, enter your answers as a comma separated list.
***
..
2sinθ-1=0
sinθ=1/2
θ=π/6, 5π/6
..
sinθ+1=0
sinθ=-1
θ=3π/2
..
θ=π/6, 5π/6, 3π/2
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