ГЕОМЕТРИЯ НЕ АЛГЕБРА :)1) В треугольнике АВС угол С равен 90°, СН-высота, угол А равен 30°, АВ=22. Найдите АН. 2)В треугольнике АВС АВ=ВС=АС=46√3. Найдите высоту СН. 3)В треугольнике АВС угол С равен 90°, sinA=√15/4. Найдите cos A. 4)В треугольнике АВС угол С равен 90°, cos A= 2√6/5. Найдите sin A. 5)В треугольнике АВС угол С равен 90°, cos A=5/√89. Найдите tgA. Заранее спасибо :)

ГЕОМЕТРИЯ НЕ АЛГЕБРА :)
1) В треугольнике АВС угол С равен 90°, СН-высота, угол А равен 30°, АВ=22. Найдите АН.

2)В треугольнике АВС АВ=ВС=АС=46√3. Найдите высоту СН.

3)В треугольнике АВС угол С равен 90°, sinA=√15/4. Найдите cos A.

4)В треугольнике АВС угол С равен 90°, cos A= 2√6/5. Найдите sin A.

5)В треугольнике АВС угол С равен 90°, cos A=5/√89. Найдите tgA.

Заранее спасибо :)
- Предмет:
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- Автор:
  giluooi
- 6 лет назад

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ай для решения задачи нужно сначала найти углы
- Автор:
  dreamey
- 6 лет назад
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