Odpowiedź:
P= 1 = 1^2 =(sin^2alfa+cos^2alfa)^2=sin^4 alfa +2sin^2alfa*cos^2alfa + cos^4alfa=L
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Odpowiedź:
P= 1 = 1^2 =(sin^2alfa+cos^2alfa)^2=sin^4 alfa +2sin^2alfa*cos^2alfa + cos^4alfa=L