Oblicz wartość sina,sinB,tga,tgB trujkata ABC
Załącznik poniżej, daje naj
8² + 5² = x²
x² = 64 + 25
x² = 89
x = √89 ---- tyle ma przeciwprostokątna
sin α = 8 / √89 = 8√89 / 89
tg α = 8 / 5 = 1,6
sin β = 5 / √89 = 5√89 / 89
tg β = 5/8
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8² + 5² = x²
x² = 64 + 25
x² = 89
x = √89 ---- tyle ma przeciwprostokątna
sin α = 8 / √89 = 8√89 / 89
tg α = 8 / 5 = 1,6
sin β = 5 / √89 = 5√89 / 89
tg β = 5/8