# Properties of Chords & Tangents?

A circle is one of the fundamental shapes of geometry. It consists of all the points that are equidistant from a central point. The circle is unique in that the distance around a circle is not call...
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http://www.ehow.com/info_8170166_properties-chords-tangents.html

## How to Calculate Tangents?

Tangent is used in trigonometry. To calculate the tangent, you first need to have a right triangle. The tangent equals the opposite side of the triangle divided by the adjacent side of the triangle...
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http://www.ehow.com/how_8407632_calculate-tangents.html

## How to Find Tangents in Circles?

The tangent to a circle is a straight line that stands flush against the circle's circumference. Rather than intersect the circle, the tangent makes contact with it at a single point. A circle can ...
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http://www.ehow.com/how_8484535_tangents-circles.html

## How to Calculate Using Tangents?

Of all the trigonometric functions, the tangent function is arguably the most useful. The other functions most commonly used are sine and cosine, both of which involve the hypotenuse. There's no do...
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http://www.ehow.com/how_8383925_calculate-using-tangents.html

## How to Calculate Slopes From Tangents?

To calculate slope from a tangent line you must first find the tangent line. The tangent line is the derivative. Slope is the change in "y," divided by the change in "x," where "x" and "y" are poin...
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http://www.ehow.com/how_8164000_calculate-slopes-tangents.html