A community for students. Sign up today

Here's the question you clicked on:

anonymous 4 years ago $\int\limits \frac{\csc ^{2}(\frac{1}{x})}{x ^{2}}dx$

• This Question is Closed
1. experimentX

let 1/x = u see what happens probably you get answer in cot

2. anonymous

From what @experimentX said $$u = \frac{1}{x} = x^{-1}$$ $$du = (-1)x^{-2} \ \ dx \ \rightarrow \ -du = x^{-2} \ \ dx$$ See of you can find du hidden up there ;-)

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy