Предмет: Алгебра, автор: scorpion31

cos210+sin150-tg240=

Ответы

Автор ответа: NochnayaArhideya

1

cos210+sin150-tg240= (-√3)/2+1/2-√3= 1-√3-√3= 1-2√3

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: annutta2017

Перепишите следующие предложения. Подчеркните в каждом из них модальный глагол или его эквивалент. Переведите предложения на русский язык.
1. If things don't go very well and on top of all the company has to buy its shares back, it may easily go bankrupt.
2. A company pledges to buy shares back at any time the shareholder wishes to sell.
3. They promptly rejected me on the grounds that their computers had no information on how I honored my credits.
4. Middlemen operate everywhere: they run employment bureaus, rent housing and office space, operate real estate firms, publishing agencies, etc. …

1 год назад

Предмет: Русский язык, автор: hugostuidI

тест в формате ЕГЭ по русскому языку задание 8.Решите с объяснением плз

1 год назад

Предмет: Английский язык, автор: AnnaW0oW

1) Yuri had been working on his computer for two hours before it broke down.
2) I was mopping the floor while my brother was cutting the grass.
3) Were you sleeping when the earthquake started?
4) This time last week, I was flying to Paris.
5) Sam was really happy because he had passed all his exams.
6) Sarah had cleaned the house by the time her barents came back.
7) James had waited for a while and then opened the door to see who was making that strange noise.
8) Marion didn't go shopping because she spent the morning with her little brother that day. Помогите определить время в предложениях

1 год назад

Предмет: Английский язык, автор: vadimnazaro

(make) a mistake. Her flight was the next day!
5 Complete the sentences with ever or never.
1 We had
seen so many people in one
place
2 They were the worst singers I had heard
3 It was the best theme park we had
been to
4 She had
imagined that it was such a big
country
5 I had
thought about how my parents
felt.
6 They were the funniest jokes I had
6 Write sentences using who, which that, when,
where, or whose
told

7 лет назад

Предмет: Геометрия, автор: lvrdawn6127

помогите пожалуйста !! дам много баллов !!

7 лет назад