Can we find the roots of equation $\tan(x)=x$.
I once found a formula which gives its roots approximately. Any link will be welcome.
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The only feasible way is to plot the graph of the equation $tan x -x=0$ – MonK Jul 24 '14 at 08:25
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See here http://math.stackexchange.com/questions/18718/solution-of-tanx-x – gammatester Jul 24 '14 at 08:26
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Similar / same question : http://math.stackexchange.com/questions/110256/derivation-of-asymptotic-solution-of-tanx-x – MT_ Jul 24 '14 at 08:26
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possible duplicate: http://math.stackexchange.com/questions/18718/solution-of-tanx-x – Riccardo.Alestra Jul 24 '14 at 08:29