Simplify the expression tanh(lnt).

I thought the answer was (t^2-1)/(t^2+1), but that's not correct, and I can't figure out why. Can somebody give me a hand? Thanks!

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- Oct 29th 2009, 06:28 PMiheartthemusic29Hyperbolic Tangent
Simplify the expression tanh(lnt).

I thought the answer was (t^2-1)/(t^2+1), but that's not correct, and I can't figure out why. Can somebody give me a hand? Thanks! - Oct 29th 2009, 07:31 PMtonio
- Oct 29th 2009, 07:33 PMtonio