From: matz@... (Yukihiro Matsumoto) Date: 2001-12-06T13:44:05+09:00 Subject: [ruby-talk:27597] Re: Help! acos, asin - where? Hi, In message "[ruby-talk:27566] Help! acos, asin - where?" on 01/12/06, "Thomas R. Corbin" writes: |I found the Math::atan2 (why 2?) method, but haven't figured out how to do |acos or asin. I'm sure I'm missing something simple, but I'm stumped. Try 1.7.2