SOLUTION: find all solutions in the interval [0,2π] 2Cos^2X=0

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Question 845113: find all solutions in the interval [0,2π]
2Cos^2X=0
Found 2 solutions by Fombitz, ewatrrr:
Answer by Fombitz(32388) About Me  (Show Source):
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

IF

2cos%5E2%28x%29=2%28cos%28x%29%29%5E2=0

cos(x) = 0  at π/2, 3π/2 in the interval [0,2π]