Student or Learner
Please kindly he me check whether I make mistakes or not in the following sentence
" For example, some theorems and proofs which were complex and cofusing for me in Calculus I had taken during first year in college now become much easier to me since I have taken Mathmetical Analysis later."
In particular, what shoudl I use in the red part? college, colleges, or the college
Thank you very much~~ ^^
" For example, some theorems and proofs
whichthat were complex and confusing for me in Calculus I had takenduring my first year in college, have now become much easier to mesince I have taken tooktaking Mathematical Analysis later."