Oblicz:
sin^2 75 st.
0,9659 = sin75st.
0,9659 * 0,9659 = 0,93296281
Mnożymy to, bo jest do kwadratu.
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0,9659 = sin75st.
0,9659 * 0,9659 = 0,93296281
Mnożymy to, bo jest do kwadratu.