Предмет: Алгебра, автор: dasamoroz136

рібята допоможіть будь ласка

І варіант 1. Знайдіть значення виразу: П Зл T 1) 3tg( - )ctg - 4cos² 4 6 2 2) sin( - 30º) - 2tg(- 45º) + cos(- 45°) П -)ctg+sin- 3​

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Автор ответа: математик2011
1

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на фото

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dasamoroz136: дякую!
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