The set X is called the domain of the function. For each element x in X, the corresponding element y in Y is called the image of x. The set of all.
1 Trigonometric Models Chapter 9 Trigonometric Functions, Models, and Regressions (Lecture 21, Wed. 3/28/07) Derivatives of Trigonometric Functions and.
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Group 21 Member:Lam King Ho (98003010) Lau Shu Fat (98003430) Li Chi Chung (98002690) Lam Wing Yin (98002850) Poon Hing Sheng (98249700) Educational Communication.