Mathematics Teacher (1950) Vol. 43, No. 5

  • 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