Mathematics Teacher (1950) Vol. 43, No. 5
if HE MATHEMATICS TEACHER Volume XLIII Number 5 Edited by William David Reeve The Trigonometric Functions By JOHN w. CELL Professor of Mathematics, N 01 th Carolina State College IN THIS article we shall indicate many different methods by which the sine and cosine functions may be defined. (From these the other four fu
This is available to members of NCTM. Please log in now to view this article. If you are interested in a NCTM membership join now.