October 2021 0 16 Report
Объясните,пожалуйста Най­ди­те зна­че­ние вы­ра­же­ния 4cos146/cos34
Косинус 180 = -1
-4сos(-36)|cos36 = 4
Не понимаю почему мы второй раз не меняем знак
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