Mathematics Teacher (1947) Vol. 40, No. 6

  • Mathematics Teacher (1947) Vol. 40, No. 6

    THE MATHEMATICS TEACHER Volume XL Number 6 Edited by William David Reeve History of the Derivative and Integral of the Sine By CARL B. BoYER Brooklyn College, Brooklyn, N. Y. THE early development of the sine functiio was geometric rather than analytic. In ancient Greece the function concept and the ideas of differenti