Application of vectors to some complex problems
Keywords:
vector, inequality, angle, identityAbstract
This article gives you some easy ways to solve common trigonometric inequalities.
References
Mirzaahmedov.M, Sotiboldiyev T “Matematikadan olimpiada masalalari” Toshkent-2003 y
Гелфанд.F “методы доказательства неравенства” Москва-1972г
Сивяшинский.В “доказательство тригонометрических неравенств” Москва-1985г
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