Question

How

Answer 1

\[\int\limits \tan^3\theta*\sec^2\theta*d \theta\]

Answer 2

Simple u sub?

Answer 3

yup, did you try t= tan theta ?

Answer 4

u= tan theta **

Answer 5

u = tantheta, du = sec^2 theta, giving u^3 du = tan^4 theta/ 4, thought it was more complicated than that, and had to do tan^2theta*sec^2 theta* tan theta.

Answer 6

its simple
tan^4 theta/ 4+c is correct :)

Answer 7

Alright cool, quick question, would you do a trig sub for x^2/(square root (1-x^2)) ?

Answer 8

yes, trig. subs will simplify things :)

Answer 9

Awesome, thanks Goku.

Answer 10

welcome ^_^

Answer 11

you seem to be new here,
\(\Huge \mathcal{\text{Welcome To OpenStudy}\ddot\smile} \)

also did you just start learning integration ?

Answer 12

New to the techniques, I always over complicate things though.

Answer 13

i think this might be helpful, sooner or later, can have a look if you want :)
http://openstudy.com/users/hartnn#/updates/50960518e4b0d0275a3ccfba

Answer 14

Wow, thanks, is it alright if I copy and paste it on a notepad or something?

Answer 15

sure :)