Sprawdź tożsamość. (cos x + tgx sin x) = 1/sin x
Natalia: Sprawdź tożsamość.
(cos x + tgx sin x) = 1/sin x
21 mar 11:47
Aga1: | | cosx | | sinx | | sinx | | cos2x+sin2x | | 1 | |
L= |
| + |
| * |
| = |
| = |
| =P |
| | 1 | | cosx | | 1 | | cosx | | cosx | |
21 mar 11:51
Natalia: 
21 mar 14:17
ICSP: | | 1 | | 1 | |
yyy P = |
| a nie |
| ... |
| | sinx | | cosx | |
21 mar 14:42