Задача лёгкая, но не могу понять....В конусе, радиус основания которого R, а образующая

Задача лёгкая, но не могу понять....

В конусе, радиус основания которого R, а образующая наклоненна к плоскости основания под углом альфа, проведена плоскость через вершину конуса под углом бета к его высоте. Найти плоскость образованного сечения.

Заранее спасибо!!!
- Предмет:
  Геометрия
- Автор:
  cayojordan
- 5 лет назад

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Решение задания приложено.
- Автор:
  valentínhubbard
- 5 лет назад
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