Предмет: Геометрия, автор: lilforky

Реши тригонометрическое уравнение 5sin^2x+11sinx=12 .

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Автор ответа: DinaTae04

1

Решение во вложении...

Sinx=-3, Не берём потому что -1<sinx<1

Ответ:первый и третий вариант верный.

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