demonstrer den exakte verdien av:
a) sec- [symbol:pi] / 12
b) cot5 [symbol:pi] /12
c) cosec19 [symbol:pi] /12
cosec
Moderators: Aleks855, Gustav, Nebuchadnezzar, Janhaa, DennisChristensen, Emilga
-
- von Neumann
- Posts: 525
- Joined: 03/10-2010 00:32
Plott inn disse hit:
www.wolframalpha.com
www.wolframalpha.com