August 2018 1 21 Report
Jeżeli cos α> i tgα<0 to ?
a) ctg α>0
b) ctgα=0
c) sinα>0
d) sinα<0


Jezeli sinα>0 i cosα<0 , to ?
a) tgα<0
b) tgα>0
c) ctgα>0
d) ctgα=0

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