Question

kindly integrate this, please.

integrate sec^n x tan x dx

Answer 1

\[ \int\limits \sec^n x \tan x dx\]

Answer 2

set sec x = u
du = sec x tan x


\[\int\limits u^{n-1} du = {1 \over n} u^{n} + C = {1 \over n} \sec^n x + C\]

Answer 3

thank you. :D

Answer 4

pleasure :)