Предмет: Алгебра, автор: ksurill

Тригонометрическое уравнение

cos3x=-1/2

и

tg6x=-1

Ответы

Автор ответа: Milli205

0

cos3x=-1/2

3x=+-2pi/3+2pi n

x=+-2pi/9 +2/3 pi n

tg6x=-1

6x=-pi/4+pi n

x=-pi/24 +1/6pi n

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Другие предметы, автор: syomadima

1. It is a very good project, but … is better.
us
our
ours
2. Those kids should know better. … shouldn't tease that boy anymore.
We
Our
Their
They
3. Why don't you come with …? We're going to have a great time at the party.
their
our
you
us
4. Why don't you trust …? I said I would do it and I will.
me
mine
5. We should learn how to grow our own food, so we can take care of … in a healthy and organic way.
itself
ourselves
himself
themselves
6. The dog sat down and licked … paws.
it
itself
your
its
7. Don't touch your sister's clothing. Those sweaters are and she'll be very angry if she finds you
wearing them without permission.
her
hers
his
theirs
8. I thought you liked teaching children, Why don't you like teaching … anymore?
them
we
they
their
9. I don't like … He is rude and loud.
him
he
his
himself
10. Don't touch …I I told you that I never want to see you again, so get out of my house!
myself
me
mine

7 лет назад

Предмет: Математика, автор: Аноним

сократите дробь и найдите её значение.

❗отмечу Лутший ответ если правильно ответите❗

7 лет назад

Предмет: География, автор: katyayasak1997

найвищою видмиткою материка Африка є гора:

7 лет назад

Предмет: Химия, автор: DINAMOVEC

ур.р из Ca3(PO4)2 получить CaHPO4

10 лет назад

Предмет: Химия, автор: katyazaporjina1996

как из Fe можно получить Fe(OH)2 и Fe(OH)3? приведите уравнения реакций.

10 лет назад