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Direct linkSkurnick, Ronald; Javadi, Mohammad – Mathematics and Computer Education, 2006
The Law of Sines and The Law of Cosines are of paramount importance in the field of trigonometry because these two theorems establish relationships satisfied by the three sides and the three angles of any triangle. In this article, the authors use these two laws to discover a host of other trigonometric relationships that exist within any…
Descriptors: Geometric Concepts, Textbooks, Algebra, Preservice Teacher Education
Chrysafi, Loucas; Gordon, Sheldon – Mathematics and Computer Education, 2006
We examine the behavior of the curvature function associated with most common families of functions and curves, with the focus on establishing where maximum curvature occurs. Many examples are included for student illustrations. (Contains 18 figures.)
Descriptors: Science Activities, Equations (Mathematics), Mathematics Instruction, Mathematical Concepts
Peer reviewedDence, Joseph B.; Dence, Thomas P. – Mathematics and Computer Education, 1989
Presents an approach to Vieta's formula involving pi and infinite product expansions of the sine and cosine functions. Indicates how the formula could be used in computing approximations of pi. (MVL)
Descriptors: Algebra, College Mathematics, Instructional Materials, Mathematical Concepts
