Descriptor
Source
| Mathematics Teacher | 1 |
Author
Publication Type
| Collected Works - Serials | 1 |
| Guides - Classroom - Teacher | 1 |
| Journal Articles | 1 |
Education Level
Audience
| Practitioners | 1 |
| Teachers | 1 |
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedMathematics Teacher, 1992
Two trigonometry problems are presented. The first compares the graphs of the functions arcsin[sin(x)], arccos[cos(x)], and the identity function f(x)=x. The second, using the law of cosines, demonstrates that the solution of a triangle knowing two sides and the excluded angle is no longer ambiguous. (MDH)
Descriptors: Calculators, Computer Assisted Instruction, Enrichment Activities, Functions (Mathematics)
