2nd Period
(U6) ∫tan(u)du
integral = -ln|cos(u)| + C
(U6) ∫cot(u)du
integral = ln|sin(u)| + C
(U6) ∫sec(u)du
integral = ln|sec(u) + tan(u)| + C
(U6) ∫csc(u)du
integral = -ln|csc(u) + cot(u)| + C
(U6)
integral =
(U6)
integral =
(U6)
integral =
(U6)
integral =
(U6)
integral =
(U6)
hint: integration by parts
integral =
(U6)
integral =