Descriptor
| Curriculum | 1 |
| Geometry | 1 |
| Instruction | 1 |
| Mathematics Education | 1 |
| Secondary Education | 1 |
| Secondary School Mathematics | 1 |
| Teaching Methods | 1 |
| Trigonometry | 1 |
Source
| Mathematics in School | 1 |
Author
| Lloyd, D. G. H. B. | 1 |
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Peer reviewedLloyd, D. G. H. B. – Mathematics in School, 1976
The author argues that sine, secant, and tangent should be taught as the three basic trigonometric functions rather than sine, cosine, and tangent. (SD)
Descriptors: Curriculum, Geometry, Instruction, Mathematics Education
