2008•Journal of Shangluo UniversityRequires access

On Calculation Formula of Sine Function and Cosine Function

Jie Zhang

Abstract

Aim To study some calculation formula of sine function and cosine function.Method Elementary and analytical method.Result Some identities of sine function and cosine function are obtained.Conclusion The method used here is simple,and the method can be applied in the study of other formulas for sine function and cosine function,and presents new way for the study of other trigonometric function calculation formula.

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Available abstract

Key concepts: Sine, Trigonometric functions, Differentiation of trigonometric functions, Function (biology), Mathematics, Mathematical analysis, Trigonometric integral, Inverse trigonometric functions