| 1 | ||
!) podać dziedzinę ,pochodną i wykres funkcji y=cosx(1+tgx*tg | x) | |
| 2 |
| π | ||
Df=ℛ−(kπ, | +kπ) | |
| 2 |
| 1 | 1−cosx | |||
tg | x= | |||
| 2 | sinx |
| sinx | 1−cosx | |||
y=cosx(1+ | * | ) | ||
| cosx | sinx |
| sinx−sinxcosx | ||
y=cosx(1+ | ) | |
| sinxcosx |
| sinxcosx | sinx−sinxcosx | |||
y=cosx( | + | ) | ||
| sinxcosx | sinxcosx |
| cosx | ||
y= | =1 | |
| cosx |
| sinx | 2sin(x/2)cos(x/2) | ||
= | = tg(x/2) | ||
| 1 − cosx | 2cos2(x/2) |
1−cosx=2sin2(x/2)
| 1−cosx | sinx | 1−cosx | ||||
tg0,5x= | = | =±√ | ||||
| sinx | 1+cosx | 1+cosx |