What are tangents & normals?

Asked by Pratibha Roy | 25th Feb, 2012, 01:45: PM

Expert Answer:

A tangent to a curve is a straight line which touches the curve at a point. The normal to a curve is the straight line perpendicular to the tangent at the same point as the tangent to the curve.

Answered by  | 26th Feb, 2012, 03:51: PM

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