# How to Graph a Tangent Line?

The tangent line is one of the defining concepts in the study of calculus. The tangent line to a curve is a straight line that just touches a curve. It follows the direction of the curve at that sp... Read More »
http://www.ehow.com/how_8396139_graph-tangent-line.html

Top Q&A For: How to Graph a Tangent Line

## How to Find the Equation of the Tangent Line to a Graph?

A common application of calculus is determining the equation of a line that intercepts a curve at a given point. This is called the tangent to a curve. As far as calculus problems are concerned, th... Read More »
http://www.ehow.com/how_8444352_equation-tangent-line-graph.html

## How to Find an Equation of the Tangent Line to the Graph of F at the Indicated Point?

The derivative of a function gives the instantaneous rate of change for a given point. Think of the way the velocity of a car is always changing as it accelerates and decelerates. Although you can ... Read More »
http://www.ehow.com/how_8429936_equation-line-graph-indicated-point.html

## How to Find the X Coordinate of the Point That the Tangent Line Touches the Graph?

The point where a line touches a graph is known as the intersection point. Calculate the x-coordinate of the intersection of a tangent line and a graph by finding the equation for a line and settin... Read More »
http://www.ehow.com/how_8413720_coordinate-tangent-line-touches-graph.html

## How to Graph Tangent & Cotangent Functions?

The tangent is a trigonometric function defined as the sine divided by the cosine. Another way of defining it is the tangent of an angle is the ratio of the side opposite the angle divided by the ... Read More »
http://www.ehow.com/how_8508797_graph-tangent-cotangent-functions.html

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