Тригонометрийн функцүүд

Үндсэн адилтгал

sin^2 α+cos^2 α=1
tgα∙ctgα=1
arcsina+arccosa=π/2
arctga+arcctga=π/2

Урвуу функцтэй томъёонууд

arcsina+arccosa=π/2 arctga+arcctga=π/2
sin⁡(arcsina)=a arcsin⁡(sinα)=kπ+(-1)^k a
cos⁡(arccosa)=a arccos⁡(cosα)=2kπ±a tg⁡(arctga)=a
arctg⁡(tgα)=kπ+a ctg⁡(arcctga)=a arcctg⁡(ctgα)=kπ+a α



http://mathematic-trigonometry.blogspot.com/2015/04/sinx-cosx-tgx-ctgx.html



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