Chapter 9
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Created by:
s_williams77 on April 13, 2012
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8 terms
Terms | Definitions |
|---|---|
 pythagorean triple | a set of three positive integers that work in the pythagorean theorem |
| special right triangles | right triangles whose angle measures are 45, 45, 90 degrees or 30, 60,90 are called this |
| trigonometric ratio | a ratio of two sides of a right triangle |
| angle of elevation | Three basic trigonometric ratios., the angle that your line of sight makes with a line drawn horizontally |
| solve of a right triangle | determine the measures of all six parts |
| magnitude of a vector | AB is the distance from the initial point A to the terminal point B, and is written |AB| |
| direction of a vector | determined by the angle it makes with a horizontal line |
| sum of two vectors | the sum of u=(a1,b1,) and v= (a2, b2) is u+v= (a1+a2, b1+b2) |
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