SOLUTION: please help me solve: 2 cos(x/2) + 1 = 1

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Question 622502: please help me solve:
2 cos(x/2) + 1 = 1

Answer by KMST(5328)   (Show Source): You can put this solution on YOUR website!
--> (subtracting 1 from both sides of the equal sign.
-->
, and are solutions
So are all angles co-terminal to those two, and the whole set can be written as
for all n integers
So the solution set is (multiplying both sides of the equal sign times 2)
for all n integers

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