3.6 Integrals 501 to 502

   \(\int \genfrac {}{}{}{}{\text {csch}^3(c+d x) \text {sech}^3(c+d x)}{a+b \sinh (c+d x)} \, dx\) [501]
   \(\int \genfrac {}{}{}{}{\text {csch}^3(c+d x) \text {sech}^3(c+d x)}{(e+f x) (a+b \sinh (c+d x))} \, dx\) [502]