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
- 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.
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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