po prostu Michał:
Napisze cos, ale nwm czy o to chodzi wgl wiec, jak nikt nie odpisze to zebys chociaz cos
mial...
z
1 = z−1 = x+iy−1 = x−1 + iy
| Im(z) | | y | |
φ1 = arctg( |
| = arctg( |
| ) |
| Re(z) | | x−1 | |
z
2 = z+1 = x+iy+1 = x+1 + iy
| Im(z) | | y | |
φ2 = arctg( |
| = arctg( |
| ) |
| Re(z) | | x+1 | |
| z1 | | y | | y | |
arg( |
| ) = φ1 − φ2 = arctg( |
| ) − arctg( |
| ) |
| z2 | | x−1 | | x+1 | |
http://www.naukowiec.org/wzory/matematyka/roznica-funkcji-arc-tg_239.html