Primitive Quadruples for the Law of Cosines.

Mettler, Mark A.

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Peer reviewed

ERIC Number: EJ368104

Record Type: CIJE

Publication Date: 1988

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Primitive Quadruples for the Law of Cosines.

Mettler, Mark A.

Mathematics Teacher, v81 n4 p306-08 Apr 1988

Recounts a classroom experience which investigated whether any integral solutions for the law of cosines would be analogous to "Pythagorean triples." Several interesting relationships were discovered. (PK)

Descriptors: Class Activities, Computer Assisted Instruction, Geometric Concepts, Mathematical Concepts, Mathematics Curriculum, Mathematics Education, Mathematics Instruction, Number Concepts, Secondary Education, Secondary School Mathematics, Trigonometry

Publication Type: Journal Articles; Guides - Classroom - Teacher

Education Level: N/A

Audience: Practitioners

Language: English

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