August 2018 1 15 Report
Zad1
kat a jest ostry. Uzasadnij ze gdy:
a) sin α=¼ to α<30⁰
b) sin α=0,8 to 45⁰<α<60⁰
c) cos α=0,6 to 45⁰<α<60⁰
d cos α=0,9 to α<30⁰
e) tg a=1,2 to 45<a<60
f) tg α=0,1 to α<30⁰

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