# How to Find the Sine in a Right Triangle?

In Euclidean geometry, the sum of three angles in any triangle must add up to 180 degrees. In right triangles, one of the three angles must be equal to 90 degrees. Out of the two legs that make up ...
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http://www.ehow.com/how_8131147_sine-right-triangle.html

## How to Find Sine & Cosine Ratios?

The sine and cosine functions in trigonometry represent the ratio between two sides of a right triangle as it relates to a particular angle. Calculating these ratios can help you find unknown lengt...
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http://www.ehow.com/how_8232574_sine-cosine-ratios.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 Convert Inverse Sine Into Sine?

Trigonometry is the study of the relation between angles and lengths of bodies. The trigonometric functions provide a way of finding the angle between two straight lines in a triangle, given the le...
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http://www.ehow.com/how_8373925_convert-inverse-sine-sine.html

## How to Find an SAS Triangle?

Triangles, including congruency of, angles and the rotation, reflection and translation of congruent triangles, is a concept usually taught early in the study of geometry. A pair of triangles are c...
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http://www.ehow.com/how_8120343_sas-triangle.html