Help with hyperbolic cotangent

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June 25th 2008, 03:22 PM
rman144

Help with hyperbolic cotangent

I need some serious help solving for x in terms of known mathematical constants on this one:

$xln(2pi)=arctan(coth(((x(pi))/2))$

Good luck
June 25th 2008, 05:26 PM
Mathstud28

Quote:

Originally Posted by rman144

I need some serious help solving for x in terms of known mathematical constants on this one:

$xln(2pi)=arctan(coth(((x(pi))/2))$

Good luck

take the tangent of both sides and then use identities, I do not think it will be that bad.
June 25th 2008, 06:14 PM
rman144

reply

I know about that, but I cannot find anywhere on the web that gives me an identitiy relating coth and tangent like that. Think you could help me out there?
June 25th 2008, 06:41 PM
Mathstud28

Quote:

Originally Posted by rman144

I know about that, but I cannot find anywhere on the web that gives me an identitiy relating coth and tangent like that. Think you could help me out there?

I would suggest convertin it into its exponential form.

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