1. The problem statement, all variables and given/known data https://gyazo.com/268bef206850bfbf30fb0cca3f783599 <----- The question 2. Relevant equations 3. The attempt at a solution Had this on a test today, honestly not sure how to evaluate. I know you can pass the limit to the inside of arctan but I can't see how the inside goes to infinity. Any help would be appreciated I just want to understand how to do it!