Trigonometry
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Trigonometry is the study of angles and of the angular relationships of planar and three-dimensional figures.
Trigonometry is a high school-level concept and course.
Prerequisites
| Angle: | An angle is a measure of the amount of rotation about the point of intersection of two lines or line segments that is required to bring one into correspondence with the other. |
| Triangle: | A triangle is a three-sided (and three-angled) polygon. |