pi / | | log(sin(x))*log(cos(x))*tan(x) dx | / 0
Integral((log(sin(x))*log(cos(x)))*tan(x), (x, 0, pi))
(-4.83187634375607e-18 + 1.29173361565299j)
(-4.83187634375607e-18 + 1.29173361565299j)
Use the examples entering the upper and lower limits of integration.