December 2018 1 38 Report
Proszę o pomoc! Dam Naj!

1.Rozwiąż równanie

b) sin2x =0

3.Oblicz
a) sin225 x cos495
b) 4sin45 x cos135
c) 4sin120 + 4cos60

4. Oblicz cosx, tgx jeśli sinx = pierwiastek z trzech przez dwa



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