SOLUTION: solve the equation on the interval 0 < or equal to theta < 2pi .
4cos^2 theta = 1
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Question 724718: solve the equation on the interval 0 < or equal to theta < 2pi .
4cos^2 theta = 1
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Divide both sides by 4, take the square root. Then find all of the angles in the given interval where the cosine is equal to 
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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