SOLUTION: tan^-1(tan (7pi/10))

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Question 609487: tan^-1(tan (7pi/10))
Found 2 solutions by Alan3354, lynnlo:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
tan^-1(tan (7pi/10)) = 7pi/10

Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
arctan(tan(7ip/10))