Calculus: Tangent Line Help

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Calculus: Tangent Line

In geometry, the tangent line (or simply the tangent) to a curve at a given point is the straight line that "just touches" the curve at that point. As it passes through the point of tangency, the tangent line is "going in the same direction" as the curve, and in this sense it is the best straight-line approximation to the curve at that point.

In a similar way, the tangent plane to a surface at a given point is the plane that "just touches" the surface at that point.
 
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Calculus: Tangent Line Videos

Determining Points At Which Function Has Horizontal Tangent Line
Video Clip Length: 11 minutes 55 seconds
Video Clip Views: 21744

derivatives, tangent line
Determining Points At Which Function Has Horizontal Tangent Line 2
Video Clip Length: 3 minutes 26 seconds
Video Clip Views: 13224

derivatives, tangent line
Finding The Tangent Line Of A Function 5
Video Clip Length: 2 minutes 13 seconds
Video Clip Views: 8313

derivatives, tangent line
See All Tangent Line Video Tutorials

Calculus: Tangent Line Word Problems

Tangent Line
Find the equation of the line that is tangent to the graph of f(x) = 3x4 - 5x2 + 145 at the point (2...
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Calculus: Tangent Line Practice Questions

BC is tangent to A at B and to D at C (not
drawn to scale). If AB = 12 , BC = 18, and
DC = 3, find the length of ...

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This Calculus page lists video tutorials, worksheets and word problems on tangent line topic.