A fundamental equation
Articles
Juozas Juvencijus Mačys
Vilnius University
Jurgis Sušinskas
Vilnius University
Published 2017-12-15
https://doi.org/10.15388/LMR.A.2017.05
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Keywords

trigonometric equations
inverse trigonometric functions
different methods of solution
answer forms

How to Cite

Mačys J. J. and Sušinskas J. (2017) “A fundamental equation”, Lietuvos matematikos rinkinys, 58(A), pp. 23-27. doi: 10.15388/LMR.A.2017.05.

Abstract

Very important and instructive trigonometric equation is considered. The solutions
from different manuals and reference books are examined, mistakes of these solutions
are discovered. It is shown how to make the solution of the equation shorter, how to present
the answer more visually.

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