Using high school trigonometry combined with knowledge of four-quadrant multipliers to form a frequency quadrupler.

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Trigonometric Functions and Complex Numbers covers the followings areas in the International Mathematical Olympiad (IMO) and other mathematical competitions. Trigonometric identity, graphs and ...

Abstract: The direction-finding method based on harmonic amplitude is established via a two-element time-modulated array (TMA) system, where the one-bit modulation scheme is utilized to reshape the ...

Addressed mainly to physicist and chemical physicist, this textbook is the result of a broad compilation of current knowledge on analytical properties of Airy functions. In particular, the calculus ...