| x | ||
limx−>π (π−x)tg( | ) | |
| 2 |
| x | x | |||
−tg2 | *2cos2 | =[−∞*2*0=0] =0 − gdybym w tym miejscu skończył. | ||
| 2 | 2 |
| x | x | |||
−tg2 | *2cos2 | = | ||
| 2 | 2 |
| sin2x2 | x | |||
− | *2cos2 | = | ||
| cos2x2 | 2 |
| x | ||
−2sin2 | =[−2*1=−2]=−2 | |
| 2 |
| Pi − x | (Pi − x)' | |||
(Pi − x)*tg(x/2) = | = | = | ||
| ctg(x/2) | (ctg(x/2))' |
| −1 | |
= 2*sin2(Pi/2) = 2*1 = 2 | |
| −1/sin2(x/2)*1/2 |