Прямая, касающаяся кривой в одной точке.
A straight line touching a curve at one point.
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See how the word “касательная” is used in sentences
Проведите касательную к окружности в точке А. — Draw a tangent to the circle at point A.
Он ударился в отступление о своём детстве. — He went off on a tangent about his childhood.
Касательная касается кривой ровно в одной точке. — The tangent touches the curve at exactly one point.
Извини, это было отступление — вернёмся к плану. — Sorry, that was a tangent — back to the plan.
Где касательная пересекает ось? — Where does the tangent cross the axis?
Можем оставить это отступление на потом? — Can we save that tangent for later?
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