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Tangent to a curve HTML5


The tangent at a point A of a curve corresponds to the particular case of a secant whose points of intersection with the curve are infinitely close.

Click and drag the points A and B

Learning goals

  • To know how to draw a tangent at any point on a curve.
  • To know some particular cases: tangent at an inflection point, tangent to the circle.

Learn more

If A and B are two points on the curve, the secant (AB) tends to the tangent at the point A where point B approaches point A. The tangent to the curve A is obtained when the points A and B…

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