4) sinalfa/ 1+ cosalfa + 1+cosalfa/sinalfa = 2/sinalfa
majka: 4) sinalfa/ 1+ cosalfa + 1+cosalfa/sinalfa = 2/sinalfa
25 sty 12:57
Artur z miasta Neptuna:
| sin | | 1 +cos | | sin2 + 1 + 2cos + cos2 | |
| + |
| = |
| = |
| 1+cos | | sin | | sin(1+ cos) | |
| | 2(1+cos | | 2 | |
= |
| = |
| |
| | sin(1+cos) | | sin | |
c.n.d
25 sty 13:00