Предмет: Алгебра, автор: Sonkadg56ghh22

1задание , прошу помощи
Буду очень благодарна )
15 баллов даю

Приложения:

Ответы

Автор ответа: sedinalana
0
sin(3x-π/3)=1/√2
3x-π/3=π/4+2πk U 3x-π/3=3π/4+2πk
3x=7π/12+2πk U x=13π/12+2πk
x=7π/36+2πk/3 U x=13π/36+2πk/3,k=z
k=-1  x=7π/36-2π/3=(7π-24π)/36=-17π/36
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: Adobe3439650
5. В каком ряду во всех наречиях после шипящих пишется О?
а) неуклюж…, трескуч…
б) блестящ…, колюч…
в) горяч…, свеж…
г) ужасающ…, хорош…
​
6 лет назад
Предмет: Английский язык, автор: vika1334546cb
Допоможіть будь ласка
6 лет назад
Предмет: Английский язык, автор: keyfor2020
1.You will______ the prices on the invoice.
a. look
b. see
c. watch
2.If you have option, do you have____ ?
a. a choice
b. a contract
c. a bill of sale
3.If you_______ an error in reviewing the proposal, please bring it to
your manager's attention.
a. get in
b. come across
c. come on
4.Safe driving prevents_______ and the awful_____ of knowing you
have caused others pain.
a. tragedy - remorse
b. accidents – safe
c. disease - reminder
5.The foreign - exchange market is based_______ the economic law of
supply and demand.
a. of
b. on
c. at
6.Exchange risk is a very real_____ for financial managers.
a. concern
b. conception
c. concept
7.Their_________was rewarded.
a. persistent
b. persist
c. persistence
8.Transportation officials have recommended____ fares.
a. to raise
b. to revise
c. to rise
9.A higher average______ rate accounted for one third of the financing
costs.
a. interest
b. interesting
c. interested
10.A subsidiary has entered ____ a partnership arrangement with
another company.
a. into
b. to
c. in
11.Trade is only one of many factors that cause____ change.
a. economical
b. economics
c. economic
12.Hard currency is backed by gold_____ .
a. research
b. reserves
c. reservation
13.Taxes have a very important impact _ _ foreign direct investment
decisions.
a. on
b. for
c. at
14.Licensing is______ to direct investment.
a. alteration
b. alternate
c. an alternative
15.The USA and Canada will become a common__________ where goods
will flow between the borders duty free.
a. shop
b. foreign exchange
c. market
6 лет назад
Предмет: Математика, автор: Isik2007
Начерти прямоугольник длина которого равна 8 сантиметров а ширина на 3 сантиметра короче длины Найди периметр
10 лет назад
Предмет: Математика, автор: матьдвоихдетей
задание ¤895,номер2и4
10 лет назад