February 2019 0 26 Report
Oblicz wartości pozostałych funkcji trygonometrycznych kąta α , wiedząc, że:
a)cos \alpha =\frac{5}{13}\ i\ \alpha\ nalezy\ do\ (270,360)\\b)cos \alpha =-\frac{8}{17}\ \ \ \alpha =(90,180)\\c)tg\alpha=1\ \ \alpha=(180,270)\\d)ctg\alpha=-1\ \ \ \alpha=(270,360)

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