Предмет: Математика, автор: serega2558586

Упростить выражения sin²α+tg²α+cos²α
Быстрее есть минут 20 и сдаю билет

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Автор ответа: Аноним
0
sin²α+tg²α+cos²α=1+tg²α = 1/cos²α
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