Предмет: Математика, автор: Малинка15

решите уравнение
1+tgx/3=0

Малинка15: помогите пложалуйста

Ответы

Автор ответа: Albinochka1901

1

1+tg x/3=0

tg x/3 = -1

tg x=a

x=arctg(a)+Pi*k,k э Z

x/3=arctg(-1)+Pi*k,k э Z

-arctg1=-Pi/4

x=-3Pi/4+3Pi*k,k э Z

Ответ:-3Pi/4+3Pi*k,k э Z

Малинка15: спасибо

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