SOLUTION: Hello,can I know how to find the exact value of tan40?

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Question 975552: Hello,can I know how to find the exact value of tan40?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,can I know how to find the exact value of tan40?
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I don't think it's possible.
You can find exact values for multiples of 3 degrees --> tan(39) & tan(42) but not 40.