Primitive of Hyperbolic Cosecant of a x over x

Theorem
where $B_{2 k}$ denotes the $2 k$th Bernoulli number.

Also see

 * Primitive of $\dfrac {\sinh a x} x$


 * Primitive of $\dfrac {\cosh a x} x$


 * Primitive of $\dfrac {\tanh a x} x$


 * Primitive of $\dfrac {\coth a x} x$


 * Primitive of $\dfrac {\sech a x} x$