arctan is the same as tan -1, tan 1 arctan same
arctan is the same as tan -1. There are any references about arctan is the same as tan -1 in here. you can look below.
arctan is the same as tan -1
arctan is the same as tan -1
arctan is the same as tan -1
tan 1 arctan same
tan 1 arctan same
arctan is the same as tan -1, tan 1 arctan same
