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Undergrad Natural Log Composed with Hyperbolic Tangent & this Ratio
Ah thank you! Sorry about that. I made a typo. -
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Undergrad Natural Log Composed with Hyperbolic Tangent & this Ratio
Hello, Consider x \in (0,1) , that is x between 0 and 1. Can someone explain why the following is true: \frac{x-1}{x+1} = \tanh \left( \ln \left( \frac{x}{2} \right) \right)