# How to Determine the Tangent Line at a Curve?

The tangent to a curve has a slope equal to the slope of the curve at the point of contact. If the curve follows a regular mathematical function, you can calculate the gradient by performing differ...
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http://www.ehow.com/how_8507290_determine-tangent-line-curve.html

## How to Find a Tangent Line to a Curve?

The tangent to a curve is a straight line that touches the curve at a certain point and has exactly the same slope as the curve at that point. There will be a different tangent for each point of a ...
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http://www.ehow.com/how_8288831_tangent-line-curve.html

## How to Find the Tangent of a Curve at a Certain Point?

The tangent line to a curve at a point is a straight line that goes through the point and has the same slope as the instantaneous slope of the function at that point. Most standard non-linear funct...
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http://www.ehow.com/how_8428389_tangent-curve-certain-point.html

## How could you determine the melting point of a substance from its heating curve or cooling curve?

The heating or cooling curve will have two flat parts when the temperature does not change. The flat part of the curve is when a phase change occurs. The first phase change will be from a solid to ...
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http://www.answerbag.com/q_view/2400525

## How to Write an Equation for Each Vertical Tangent to the Curve?

Most tangents to curves have equations that follow the format of "y = mx + c." In these equations, "m" represents the tangent's slope, and "c" represents its intersection with the y-axis. Vertical ...
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http://www.ehow.com/how_8502857_write-equation-vertical-tangent-curve.html