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Peer reviewedHatfield, Steven H. – School Science and Mathematics, 1976
The method involving properties of complex numbers and polar coordinates is used in deriving the formulas for the sine of the sum of two angles, the tangent of the difference of two angles, and the sine of the double angle. (DT)
Descriptors: College Mathematics, Instruction, Mathematics Education, Secondary School Mathematics
Peer reviewedMaor, Eli – Mathematics Teacher, 1977
An identity for sin x/x is proved. Rate of convergence, a geometric interpretation, and an application from physics are discussed. (DT)
Descriptors: Calculus, College Mathematics, Higher Education, Instruction
Yeshurun, Shraga – International Journal of Mathematical Education, 1977
An examination problem and solution gives rise to the question of whether there actually exists a theorem concerning the minimal period of the sum of certain periodic functions. The author discusses such a theorem and uses the situation to support mathematical education as opposed to the teaching of mathematics. (MN)
Descriptors: College Mathematics, Higher Education, Instruction, Mathematics Education
Spero, Samuel W. – Calculators/Computers Magazine, 1978
A computer program is presented that generates problem sets involving sketching graphs of trigonometric functions using graphical addition. The students use calculators to sketch the graphs and a computer solution is used to check it. (MP)
Descriptors: Calculators, College Mathematics, Computer Programs, Computers
Peer reviewedLipsey, Sally Irene; Snow, Wolfe – Mathematics Teacher, 1973
Descriptors: Calculus, College Mathematics, Geometric Concepts, Instruction
Peer reviewedGrabovskij, M. A.; Kotel'nikov, P. M. – Educational Studies in Mathematics, 1971
Descriptors: College Mathematics, Instruction, Kinetics, Manipulative Materials
Peer reviewedLange, L. H. – Two-Year College Mathematics Journal, 1976
Theorems about the hyperbola which are ordinarily introduced in calculus courses can be proved without using the calculus. (SD)
Descriptors: Algebra, Calculus, College Mathematics, Curriculum
Peer reviewedDundas, Kay – Two-Year College Mathematics Journal, 1977
A class of triangles related to the Pythagorean triangles is described; theorems concerning this class are proved. (SD)
Descriptors: Algebra, College Mathematics, Curriculum, Geometry
Peer reviewedAtneosen, Gail H. – Mathematics Teacher, 1972
Descriptors: Calculus, College Mathematics, Geometric Concepts, Instruction
Kropa, James C. – MATYC Journal, 1978
A conceptually elementary and geometrically based algorithm is presented to indicate how trigonometric functions can be calculated without using calculus. (MN)
Descriptors: Algorithms, College Mathematics, Computation, Computer Assisted Instruction
Peer reviewedGreen, Thomas M. – Two-Year College Mathematics Journal, 1976
Using a computer equipped with a plotter, graphs of linear equations and trigonometric identities can be produced. Examination of these graphs can aid in teaching solution of equations. (SD)
Descriptors: College Mathematics, Computer Graphics, Computer Oriented Programs, Computers
Lederer, Eric M. – MATYC Journal, 1975
The use of DeMoivre's Theorem, the Binomial Theorem, and Pascal's Traingle in finding cos nx and sin nx is explained. (DT)
Descriptors: College Mathematics, Higher Education, Instruction, Mathematics Education
Peer reviewedScully, D. B. – International Journal of Mathematical Education in Science and Technology, 1976
The geometry of perspective drawing is developed and discussed. (SD)
Descriptors: College Mathematics, Curriculum, Geometric Concepts, Geometry
Download full textRotman, Jack W. – 1975
This study reviews literature related to innovative approaches to the teaching of college algebra, and describes the approach to such a course at Lansing (Michigan) Community College. Recommendations concerning that course are presented, based on the experiences of other schools as described in the literature, and analysis of the Lansing…
Descriptors: Algebra, College Mathematics, Community Colleges, Course Evaluation
