SOLUTION: how do i find the exact value of 2cos2x=1
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Question 582125: how do i find the exact value of 2cos2x=1
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
how do i find the exact value of 2cos2x=1
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The exact value of what?
If you mean the exact value of x,
cos(2x) = 1/2
Find 2x, its cosine is 1/2
Divide it by 2
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