Peer reviewed
Direct linkERIC Number: EJ1214016
Record Type: Journal
Publication Date: 2019
Pages: 6
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0020-739X
EISSN: N/A
Paper Folding and Trigonometric Ratios
International Journal of Mathematical Education in Science and Technology, v50 n4 p636-641 2019
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°.
Descriptors: Mathematics Instruction, Teaching Methods, Manipulative Materials, Mathematical Concepts, Concept Formation, Trigonometry, Geometry, Mathematical Logic, College Mathematics
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A
