Løs likningene:
I) tan v = -1
&
II) 2tan v = 0
tan v = -1 & 2tan v = 0
Moderators: Aleks855, Gustav, Nebuchadnezzar, Janhaa, DennisChristensen, Emilga
Moderators: Aleks855, Gustav, Nebuchadnezzar, Janhaa, DennisChristensen, Emilga