SOLUTION: Solve for x: 3 + cos 2x = 7/2; only include answers on [0,2 pie]

Question 1042545: Solve for x: 3 + cos 2x = 7/2; only include answers on [0,2 pie]
Found 2 solutions by ana@10, Alan3354:
Answer by ana@10(4) (Show Source): You can put this solution on YOUR website!
3+cos2x=7/2
Cos2x=7/2-3
Cos2x=1/2
2x= cos��1/2
2x=π�3 or 2x=5π�3
x=π�6 or x=5π�6

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
No math problems with pie, unless it's a pie chart.
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Use the Greek letter pi.
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