SOLUTION: Find all the solutions in the interval [0, 2𝜋) cos^2(x)+2cos(x)+1=0 Thank you!

Question 1131543: Find all the solutions in the interval [0, 2𝜋)
cos^2(x)+2cos(x)+1=0
Thank you!
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

solution:
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SOLUTION: Find all the solutions in the interval [0, 2&#120587;) cos^2(x)+2cos(x)+1=0 Thank you!

SOLUTION: Find all the solutions in the interval [0, 2𝜋) cos^2(x)+2cos(x)+1=0 Thank you!