Akisussat takorneqornissaannik pigineqarnera 2pi/3 radiiani katussisoq UserServiceqqamik.
Aappariartorfiit sananeqaatigineqartut, ukioq kingsorneqartut, nersornaat 2*pi/3 radiiani kingsorneqarluni, theta = 2*pi/3.

Kingsorneq sananeqaatigineqartorfiit ukioq kingsorneqarluni, nersornaat theta, nersornaat sananeqaatigineqarluni, tassaavoq:
```
R = [[cos(theta), -sin(theta)],
     [sin(theta),  cos(theta)]]
```
Nersornaat kingsorneqarluni 2*pi/3 radiiani, tassaavoq:
```
R = [[cos(2*pi/3), -sin(2*pi/3)],
     [sin(2*pi/3),  cos(2*pi/3)]]
```
Inersorneqarnerup ilinniartorneq, tassaavoq:
```
R = [[-1/2 , -sqrt(3)/2],
     [sqrt(3)/2,  -1/2]]
```
Tassa sananeqaatigineqartorfiit pingasut tikitornissat (x, y) kingsorneqarluni 2*pi/3 radiiani, R * (x, y) ilinniartorneqarluni.