February 2019 0 20 Report
Rozwiąż równania,
a) sin² 4x = 1
b) cos² 2x =  \frac{1}{2}
d) 3 tg²  \pi x = 1
e) | 2 cos 3x | = 1
f) |  \sqrt{3} tg (x +  \frac{ \pi }{6} ) | = 3
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