1 / | | 1 | 1*------- dx | 3 | sin (x) | / 0
pi*I oo + ---- 4
=
pi*I oo + ---- 4
9.15365037903492e+37
/ | | 1 log(1 + cos(x)) log(-1 + cos(x)) cos(x) | 1*------- dx = C - --------------- + ---------------- + -------------- | 3 4 4 2 | sin (x) -2 + 2*cos (x) | /