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Paper folding and trigonometric ratios
- Source :
- International Journal of Mathematical Education in Science and Technology. 50:636-641
- Publication Year :
- 2018
- Publisher :
- Informa UK Limited, 2018.
-
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°.
Details
- ISSN :
- 14645211 and 0020739X
- Volume :
- 50
- Database :
- OpenAIRE
- Journal :
- International Journal of Mathematical Education in Science and Technology
- Accession number :
- edsair.doi...........44727baddba53f56be6d177e2a0afbc1
- Full Text :
- https://doi.org/10.1080/0020739x.2018.1500655