Question

Integration take 3.

Answer 1

\[\int\limits_{}^{}\sec^2 x \tan^2x dx\]

Answer 2

For starting, would I use by parts or substitution on this one?

Answer 3

sub

Answer 4

Then would I let u = (sec x tan x)?

Answer 5

no

Answer 6

Could I just do it by inspection?

Answer 7

Well, even so, how would I do it by sub?

Answer 8

u=tan(x)

Answer 9

By inspection, the answer is (tan^3 x)/3 + C.

Answer 10

Okay, lemme try.

Answer 11

Oh. That was easy. I got the same answer, thanks. ^-^