# How to Learn Trigonometry?

A unit circle used to illustrate various trig functions.Trigonometry is the branch of Mathematics that deals with studying triangles. It is very easy to understand if approached in the right manner...
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http://www.wikihow.com/Learn-Trigonometry

## How to Use Right Angled Trigonometry?

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## Who is the father of trigonometry?

According to the San Francisco Unified School District, Nasir Al-Din Al-Tusi is considered the father of trigonometry. Al-Tusi lived from 1201 to 1274 AD and was also known as a noted medical schol...
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http://www.answerbag.com/q_view/2094872

## Relationships In Trigonometry?

Trigonometric functions are functions that relate an angle on a unit circle to its x and y coordinates. Unit circles are circles with radius 1 that are centered at the coordinates (0, 0). All six t...
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http://www.ehow.com/info_8495954_relationships-trigonometry.html

## How to Do a Right Triangle in Trigonometry?

In trigonometry, right triangles are those containing a 90-degree angle (right angle). They are the shape the Pythagorean theorem is based on, where the square of the side opposite of the right ang...
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http://www.ehow.com/how_8497219_do-right-triangle-trigonometry.html