# 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 ...
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http://www.ehow.com/how_8508797_graph-tangent-cotangent-functions.html

## How to Find Sine, Cosine, Tangent and Cotangent?

Sine, tangent, cotangent and cosine are all functions when dealing with right triangles. Sine, tangent and cosine are the primary functions of trigonometry. When you see these functions in trigon...
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http://www.ehow.com/how_8213257_sine-cosine-tangent-cotangent.html

## How to Graph Cosecant, Secant & Cotangent?

The two basic trigonometry functions are the sine and cosine functions. The sine function is the "y" coordinate of an angle on a unit circle, and the cosine function is its "x" coordinate. The othe...
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http://www.ehow.com/how_8408683_graph-cosecant-secant-cotangent.html

## 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...
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http://www.ehow.com/how_8396139_graph-tangent-line.html

## 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...
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http://www.ehow.com/how_8444352_equation-tangent-line-graph.html