Small-angle approximation
Kichik anglelarda sinus, kosinus va tangens trigonometric functionsni quyidagi sodda approximationlar yordamida yetarlicha aniq hisoblash mumkin:
Bunda burchak radianlarda oʻlchanishi shart.
Kichik anglelarda sinus, kosinus va tangens trigonometric functionsni quyidagi sodda approximationlar yordamida yetarlicha aniq hisoblash mumkin:
![{\displaystyle {\begin{aligned}\sin \theta &\approx \tan \theta \approx \theta ,\\[5mu]\cos \theta &\approx 1-{\tfrac {1}{2}}\theta ^{2}\approx 1,\end{aligned}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/48425147259066c40ccecd05de23961afc46f5d1)
Bunda burchak radianlarda oʻlchanishi shart.