Question

integral sqrt(x^2-1)dx

Answer 1

are you familiar with the method of trigonometric substitution/

Answer 2

yes. i can get it to cot^2csc

Answer 3

-cot^2csc**

Answer 4

\[\int -\cot^2 \theta \csc \theta d \theta\]
??

Answer 5

exactly. but from there idk where to go

Answer 6

you can try and change it into sines and cosines first

Answer 7

\[\frac{ \cos^2 }{ \sin^3 }\]