Use substitution to solve:
sec^2x/(tan^2x -1) dx
What substitution should I use (what should I let 'u' equal)?
I've tried using substitutions for tan or sec, i.e. tan^2x +1 = sec^2x , but I can't get the answer.
sec^2x/(tan^2x -1) dx
What substitution should I use (what should I let 'u' equal)?
I've tried using substitutions for tan or sec, i.e. tan^2x +1 = sec^2x , but I can't get the answer.