February 2019 0 13 Report
1. Istnieje taki kat ostry, ze:
a) sinα=1/5 i cosα=4/5
b) sinα=5/13 i tgα=5/12
c) sinα=3/5 i tgα=4/3
d) cosα=1/3 i tgα=2

2.Wiadomo,ze α jest polowa kata ostrego rombu o boku dlugosci 5. Dłuższa przekatna rombu ma dlugosc 8. Wowczas:
a) sinα=4/5 b) sinα=5/3 c) sinα=3/5 d)sinα=5/3

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