September 2018 1 59 Report

zadanie 1

Udowodnij tożsamość trygonometryczną.

a) sinx/1-cosx + 1-cosx/sinx=2/sinx

b) ctgx-tgx/sinx+cosx= 1/sinx-1/cosx

c) tgx-ctgx/tgx+ctgx= tg^2 x-1/tg^2 x+1


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