Предмет: Геометрия, автор: georgiybraun

Решите тригонометрическое уравнение
tg^2x - 6tgx = 0

Ответы

Автор ответа: xtronix2000
0
tg^2x - 6tgx = 0
tgx(tgx-6)=0
Пусть tgx=t, тогда
t(t-6)=0
t-6=0. t=0
t=6. t=0
Проведем обратную замену:
tgx=6. tgx=0
x=arctgx6. x=пи+пиn
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