Три способа отбора корней в задании 13 ЕГЭ профиль

Online math tutor. Telegram: https://t.me/volkov_telegram Email: [email protected] VK: https://vk.com/volkovvalery Zen: https://dzen.ru/valeryvolkov YouTube:    / valeryvolkov   Rutube: https://rutube.ru/channel/24796506/ Task 13 of the Unified State Exam in Mathematics. Three methods for selecting roots. VKontakte: https://vk.com/volkovvalery 1) selecting roots on the number circle, 2) selecting roots on the number line, 3) selecting roots using a double inequality. Selecting roots in a trigonometric equation.