Тригонометрические тождества|Теория
Тригонометрические тождества. Теория.
1) Основное тригонометрическое тождество
2) Основные формулы тригонометрии
3) Вывод формул
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![[Математика с Ильичом ЕГЭ | 100балльный] МЕГА ПРАКТИКА по тригонометрии для ЕГЭ | Летняя школа 100Б | Ильич](https://sun9-52.userapi.com/impg/uUwHVRBOVrZv6h2VJHcor2Uqk8hU-VtsHf9jHg/gU_p55Leevs.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=f9980e64047ea4c3ff3b0717b05552d2&c_uniq_tag=46S8Q90hqLGXbc8C_8EmuS7TwQWOs45vmgoLdcm0eQ8&type=video_thumb)
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