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Вопрос по алгебре:
Найдите sin2x, если известно, что sinx=15/13 и П/2 < x < П-
Автор:
gringo
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Всегда sin(x)∈[-1; 1]
поэтому не может быть, чтобы sin(x) = 15/13, поскольку 15/13 > 1.
Еще 4 ненужных тебе вопроса, но это важно для поиска
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Вопрос по алгебре:
розкладіть на множники 49 а^2-100-
Ответов: 6
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6 лет назад
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Вопрос по экономике:
Предприятие реализует продукцию объемом 3000 шт. по цене 40 руб/ед. Рассчитайте валовый доход. Определите предельный доход, если известно, что объем реализации увеличился до 4200 шт, а цена стала 35 руб./ед.
Помогите решить)-
Ответов: 1
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6 лет назад
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Вопрос по геометрии:
У рівнобедреноиу трикутнику АВС (АВ=ВС),проведено бісектрису BL.Периметр АВС дорівнює 90 см.Периметр ABL -60 см.Знaйдіть довжину бісектриси BL-
Ответов: 3
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6 лет назад
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Вопрос по английскому языку:
Put each of the following verbs in the correct space in the passage.
bring up, leave, settle down, educate, move, join, come from, grow up, Club become
Interviewer: Freddie, you're Scotland's number one footballer. Tell us about your early life. Where were you born?
Freddie Fox: Well, I was born in the North of Scotland 22 years ago. I 1)_________________ a small, quiet village. It was a nice place for a child to 2)_________________ and in the future I'd like to 3) __________________ my own children in the country.
Interviewer: And where did you go to school?
Freddie Fox: Well, education is sometimes a problem in the country. My parents couldn't 4)_________________ me themselves so I had to travel several miles to the nearest school. But then my father had to 5) _________________ to Glasgow for his work.
Interviewer: And you were invited to 6) __________________ Rangers Football Club.
Freddie Fox: That's right. I was 16 so I was able to 7) ___________________ school and 8)_________________ a professional footballer.
Interviewer: And what about the future?
Freddie Fox: Well, I don't know. I'm still young. I'll get married. I'll play football as long as I can. When I stop, I hope to get a job as a 9)___________ manager. And finally I'd like to 10)__________________ in the North of Scotland again.-
Ответов: 1
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6 лет назад
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