9.15365037903492e+37
/ | / 2 \ 2 / 2 \ 2 2 | 1 1 log(1 + sec(x)) log(-1 + sec(x)) log\1 + tan (x)/ sec (x)*log\1 + tan (x)/ sec (x)*log(1 + sec(x)) sec (x)*log(-1 + sec(x)) | ------- dx = C - -------------- + --------------- + ---------------- - ---------------- + ------------------------ - ----------------------- - ------------------------ | 3 2 2 2 2 2 2 2 | tan (x) -2 + 2*sec (x) -2 + 2*sec (x) -2 + 2*sec (x) -2 + 2*sec (x) -2 + 2*sec (x) -2 + 2*sec (x) -2 + 2*sec (x) | /