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Paper folding and trigonometric ratios |
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| Authors: | Arsalan Wares |
| Affiliation: | Department of Mathematics, Valdosta State University, Valdosta, GA, USA |
| Abstract: | The purpose of this note is to discuss how paper folding can be used to find the exact trigonometric ratios of the following four angles: 22.5°, 67.5°, 27°, and 63°. |
| Keywords: | Trigonometry geometry proof trigonometric ratio reasoning paper folding origami |