There is a subtle difference between Arctan and arctan
Arctan(x) is an inverse function such that the range is only the principla value
meanwhile, arctan(x) takes on infinitely many values
hope this helps
Answer:
The answer should be D I believe
8. because they dont want to
9. no significance
10. no promise
He supported them because he wanted later to make a treaty with panama to construct the panama canal.
