Пожалуйста,помогите! решите уравнение 2+3sinx*cosx-2cos2x(все под корнем)=-cosx
Проверка найденных корней:
Получено неверное равенство - корень не подходит.
Получено верное равенство. Данный корень подходит
Получено неверное равенство. Данный корень не подходит.
Получено верное равенство. Данный корень подходит.
Ответ:
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%5E2%2B3sin(%5Cfrac%7B3%5Cpi%7D%7B4%7D)cos(%5Cfrac%7B3%5Cpi%7D%7B4%7D)%7D%3D-cos%5Cfrac%7B3%5Cpi%7D%7B4%7D%5C%5C%5Csqrt%7B2-3*%5Cfrac%7B1%7D%7B2%7D%7D%3D%5Cfrac%7B%5Csqrt2%7D%7B2%7D%5C%5C%5Cfrac%7B%5Csqrt2%7D%7B2%7D%3D%5Cfrac%7B%5Csqrt2%7D%7B2%7D)
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