Topic: Line Tangent
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What is a Tangent Line?
A tangent line is a line that touches a curve at exactly 1 point. Tangent lines are perpendicular to the radius at that point. If a plane is flying straight and touches the top of a hill, the flight path is tangent to the hill. Read More »
Source: http://answers.ask.com/Science/Mathematics/what_is_a_tangent_line
How to Calculate Tangent Lines
You can calculate the tangent line for simple, single-variable functions easily by using calculus. For a given point on such a function, you can solve for the slope there, and then determine a line that has the same slope and passes through... Read More »
Source: http://www.ehow.com/how_6075916_calculate-tangent-lines.html?ref=...
How to Find a Tangent Line to a Circle
A tangent line, which extends infinitely in two directions, by definition, touches a circle at a single point. For this to hold true, the tangent line must also be perpendicular to the radius of the circle at that point of intersection. The... Read More »
Source: http://www.ehow.com/how_5029980_tangent-line-circle.html?ref=Trac...
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Line Tangent
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Answers to Other Common Questions
You can have a tangent line for every point on a circle, so the answer is theoretically infinite.
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Source: http://wiki.answers.com/Q/How_many_lines_are_tangent_to_a_circle
A tangent to a circle is a line which touches the circle once. That is, it does not pass through the circle, which would mean intersecting it twice. A way to form a tangent is draw any line from the centre point of a circle to its edge. A l...
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Source: http://wiki.answers.com/Q/What_is_a_tangent_line_with_respect_to_...
The word 'tangent' refering to line on circle is a line sharing a common point with a curve or surface and being the closest More?
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Source: http://www.chacha.com/question/what-are-lines-tangent-to-a-circle
A line that is tangent to a circle means it only touches at one point on the circle.
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Source: http://www.chacha.com/question/what-is-a-line-that-is-tangent-to-...
The formula of a tangent line is: y = mx + b.
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Source: http://www.chacha.com/question/what-is-the-formula-of-a-tangent-l...
The slope of the tangent line is given by plugging x into the first derivative of f(x).
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Source: http://www.chacha.com/question/how-to-find-a-tangent-line
