Evaluate the following integrals `int_0^1(e^x-e^(-x))/(e^x+e^(-x))dx`

Explanation

`int_0^1((e^x-e^(-x))/(e^x+e^(-x))dx)`
`int_2^(e+(1/e))dt/t=[Int]_2^(e+1)`
`In(e+(1/e)-In2)=(In(e^2+1)/(2e))`