Real Area Hyperbolic Secant of x over a in Logarithm Form

Theorem

 * $\arsech \dfrac x a = \map \ln {\dfrac {a + \sqrt {a^2 - x^2} } x}$

Also see

 * $\arsinh \dfrac x a$ in Logarithm Form


 * $\arcosh \dfrac x a$ in Logarithm Form


 * $\artanh \dfrac x a$ in Logarithm Form


 * $\arcoth \dfrac x a$ in Logarithm Form


 * $\arcsch \dfrac x a$ in Logarithm Form