Submitted:
15 March 2020
Posted:
16 March 2020
You are already at the latest version
Abstract
In the paper, the author finds bounds of the sine and cosine along a circle on the complex plane in terms of two double inequalities for the norms of the sine and cosine along a circle on the complex plane.
Keywords:
bound
; double inequality
; norm
; sine function
; cosine function
; circle
; complex plane
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